Pool care advice written in Key West for Key West.https://www.keyspoolservice.com/https://www.keyspoolservice.com/blog/what-should-my-pools-ph-level-be/https://www.keyspoolservice.com/blog/what-should-my-pools-ph-level-be/Pool pH should stay between 7.2 and 7.8, ideally 7.4 to 7.6. Here is why that range matters, how to test it, and how to correct pH that drifts.Fri, 17 Jul 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-lower-cyanuric-acid-without-draining-my-pool/https://www.keyspoolservice.com/blog/how-do-i-lower-cyanuric-acid-without-draining-my-pool/Cyanuric acid only leaves a pool with the water. Here is how to lower CYA using staged partial drains or reverse osmosis, safely, in the Florida Keys.Wed, 15 Jul 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-green/https://www.keyspoolservice.com/blog/why-is-my-pool-green/A green pool means algae has taken hold because free chlorine dropped too low. Here is what causes it, the numbers to check first, and how to fix it.Mon, 13 Jul 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-water-cloudy/https://www.keyspoolservice.com/blog/why-is-my-pool-water-cloudy/Cloudy pool water almost always comes down to filtration, chemistry or circulation. Here is how to tell which one, and how to fix it in the right order.Fri, 10 Jul 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-often-should-i-brush-my-pool/https://www.keyspoolservice.com/blog/how-often-should-i-brush-my-pool/Brush your pool walls, steps and floor at least once a week, and twice weekly in warm months. Here is the right technique, tools and common mistakes.Mon, 06 Jul 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/hurricane-season-pool-prep-key-west/https://www.keyspoolservice.com/blog/hurricane-season-pool-prep-key-west/A Key West pool company's real storm checklist: what to do before a storm, what to skip, and the mistake that wrecks more pools than wind.Fri, 03 Jul 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-should-i-run-my-pool-pump-each-day/https://www.keyspoolservice.com/blog/how-long-should-i-run-my-pool-pump-each-day/Run your pump long enough to turn over the full pool volume once a day, typically 8 to 12 hours. Here is how to calculate your exact run time.Thu, 02 Jul 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-does-a-saltwater-pool-actually-work/https://www.keyspoolservice.com/blog/how-does-a-saltwater-pool-actually-work/A saltwater pool makes its own chlorine by running dissolved salt through an electrified cell. How electrolysis works and what the system needs.Mon, 29 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-the-ideal-swimming-pool-temperature/https://www.keyspoolservice.com/blog/what-is-the-ideal-swimming-pool-temperature/Most swimmers are comfortable between 78 and 82F. Learn the right target for lap swimming, kids, therapy pools, and why above 90F becomes a problem.Thu, 25 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-know-if-my-pool-water-is-safe-to-swim-in/https://www.keyspoolservice.com/blog/how-do-i-know-if-my-pool-water-is-safe-to-swim-in/Pool water is safe to swim in when free chlorine reads 1 to 4 ppm, pH is 7.2 to 7.8, and the water is clear enough to see the main drain.Sun, 21 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/is-liquid-chlorine-better-than-chlorine-tablets/https://www.keyspoolservice.com/blog/is-liquid-chlorine-better-than-chlorine-tablets/Liquid chlorine adds no cyanuric acid but does not store well. Tablets are convenient but raise CYA every time. Here is how to use both correctly.Fri, 19 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-key-west-pools-are-different/https://www.keyspoolservice.com/blog/why-key-west-pools-are-different/Salt air, brutal UV, FKAA water and no off-season. What makes pool care in the Keys its own discipline, from the team doing it since 2003.Fri, 19 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-does-pool-service-cost-per-month/https://www.keyspoolservice.com/blog/how-much-does-pool-service-cost-per-month/Monthly pool service typically runs about 100 to 350 dollars in the US, depending on region, visit frequency and whether chemicals are included.Thu, 18 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-should-i-do-with-my-pool-before-a-hurricane/https://www.keyspoolservice.com/blog/what-should-i-do-with-my-pool-before-a-hurricane/Do not drain your pool before a hurricane. Lower water a few inches, shock it, kill power at the breaker and secure loose items. Here is the checklist.Sun, 14 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-lower-the-ph-in-my-pool/https://www.keyspoolservice.com/blog/how-do-i-lower-the-ph-in-my-pool/Lower pool pH with muriatic acid or dry acid, about 12 fl oz of muriatic per 10,000 gallons per 0.2 drop. Dosing, safety and why pH keeps climbing back.Wed, 10 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-get-rid-of-green-algae-in-my-pool/https://www.keyspoolservice.com/blog/how-do-i-get-rid-of-green-algae-in-my-pool/Balance pH, brush every surface, then hold free chlorine at shock level until demand stops. The step-by-step method that actually clears green algae for good.Sun, 07 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-clear-a-cloudy-pool-fast/https://www.keyspoolservice.com/blog/how-do-i-clear-a-cloudy-pool-fast/The fastest reliable way to clear cloudy pool water: balance pH, shock, clean the filter and run the pump nonstop. Realistic timelines included.Wed, 03 Jun 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-often-should-i-vacuum-my-pool/https://www.keyspoolservice.com/blog/how-often-should-i-vacuum-my-pool/Vacuum your pool about once a week, more if debris is heavy. How to judge frequency and what an automatic cleaner does and does not handle.Sun, 31 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/vacation-rental-pool-guest-ready/https://www.keyspoolservice.com/blog/vacation-rental-pool-guest-ready/What guest-ready actually means, why response time is the whole game, and the questions Key West managers should ask any pool company.Thu, 28 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-pump-not-priming/https://www.keyspoolservice.com/blog/why-is-my-pool-pump-not-priming/A pool pump that will not prime is almost always losing suction to an air leak, a low water level or a clogged basket. Work through these checks in order.Wed, 27 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/can-i-add-shock-and-algaecide-at-the-same-time/https://www.keyspoolservice.com/blog/can-i-add-shock-and-algaecide-at-the-same-time/No. High chlorine destroys most algaecides and wastes the bottle. Shock first, wait for free chlorine to fall to about 3 ppm, then add algaecide.Sun, 24 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/is-a-saltwater-pool-better-than-a-chlorine-pool/https://www.keyspoolservice.com/blog/is-a-saltwater-pool-better-than-a-chlorine-pool/Saltwater pools are chlorine pools with an automatic chlorine generator. Here is an honest comparison of feel, cost, maintenance and equipment wear.Sat, 23 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-does-it-cost-to-heat-a-pool/https://www.keyspoolservice.com/blog/how-much-does-it-cost-to-heat-a-pool/Pool heating cost depends on heater type, target temperature and cover use. Compare heat pump, gas and solar running costs, and how to cut your bill.Wed, 20 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-after-shocking-a-pool-can-you-swim/https://www.keyspoolservice.com/blog/how-long-after-shocking-a-pool-can-you-swim/After shocking a pool, wait until free chlorine drops below 4 ppm, usually 8 to 24 hours. Test before swimming rather than guessing from the clock.Sat, 16 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-often-should-a-pool-be-professionally-serviced/https://www.keyspoolservice.com/blog/how-often-should-a-pool-be-professionally-serviced/Most residential pools need professional service once a week. Here is when biweekly is enough, when twice weekly makes sense, and what it costs.Tue, 12 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/should-i-drain-my-pool-before-a-storm/https://www.keyspoolservice.com/blog/should-i-drain-my-pool-before-a-storm/No. Draining a pool before a storm can let hydrostatic pressure push the empty shell out of the ground. Lower the water a few inches instead. Here is why.Sat, 09 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-raise-alkalinity-in-a-pool/https://www.keyspoolservice.com/blog/how-do-i-raise-alkalinity-in-a-pool/Raise pool alkalinity with baking soda. About 1.5 lbs per 10,000 gallons lifts alkalinity 10 ppm. Target 80 to 120 ppm, plus mistakes to avoid.Tue, 05 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-does-it-take-to-clear-a-green-pool/https://www.keyspoolservice.com/blog/how-long-does-it-take-to-clear-a-green-pool/Most green pools clear in 3 to 5 days with proper shocking and 24-hour filtration. Severe blooms take 1 to 2 weeks. What decides which one you get.Fri, 01 May 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-cloudy-after-shocking-it/https://www.keyspoolservice.com/blog/why-is-my-pool-cloudy-after-shocking-it/Cloudy water after shocking is usually normal and clears in 24 to 48 hours. What causes it, when it signals a real problem, and how to speed it up.Tue, 28 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/is-it-safe-to-swim-in-cloudy-pool-water/https://www.keyspoolservice.com/blog/is-it-safe-to-swim-in-cloudy-pool-water/No. Cloudy water can signal poor sanitation, and more urgently it hides a swimmer in distress on the bottom. If you cannot see the main drain, stay out.Mon, 27 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-vacuum-a-pool-manually/https://www.keyspoolservice.com/blog/how-do-i-vacuum-a-pool-manually/Manual pool vacuuming step by step: priming the hose, setting the valve, moving slowly, and when to vacuum to waste instead of through the filter.Fri, 24 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-my-pool-filter-pressure-gauge-telling-me/https://www.keyspoolservice.com/blog/what-is-my-pool-filter-pressure-gauge-telling-me/Your filter gauge tracks how loaded the media is. Clean it when pressure rises 8 to 10 psi over the clean baseline. Falling pressure means something else.Mon, 20 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-salt-does-my-pool-need/https://www.keyspoolservice.com/blog/how-much-salt-does-my-pool-need/Most residential salt pools target 2700 to 3400 ppm. Here is how to calculate bags needed, how to add salt correctly, and how to avoid overshooting.Fri, 17 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/heat-pump-or-gas-pool-heater-which-is-better/https://www.keyspoolservice.com/blog/heat-pump-or-gas-pool-heater-which-is-better/Heat pumps cost far less to run and suit Florida year round. Gas heats much faster but costs more per hour. Compare speed, running cost and lifespan.Mon, 13 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-after-adding-chlorine-can-you-swim/https://www.keyspoolservice.com/blog/how-long-after-adding-chlorine-can-you-swim/After a routine chlorine dose, swim once free chlorine reads 1 to 4 ppm and the pump has circulated, often 30 minutes to 4 hours.Thu, 09 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/is-weekly-pool-service-worth-it/https://www.keyspoolservice.com/blog/is-weekly-pool-service-worth-it/Weekly pool service typically runs 100 to 350 dollars a month nationally. Here is an honest look at when it pays for itself and when biweekly is enough.Mon, 06 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-clean-my-pool-after-a-storm/https://www.keyspoolservice.com/blog/how-do-i-clean-my-pool-after-a-storm/Remove organic debris first, then restart circulation, test and rebalance. Storm rain dilutes chlorine and drops pH. Here is the order that works fastest.Thu, 02 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-there-foam-on-my-pool-surface/https://www.keyspoolservice.com/blog/why-is-there-foam-on-my-pool-surface/Pool foam usually comes from low calcium hardness, algaecide overuse, body oils and detergents, or aeration. Here is how to tell which and fix it.Wed, 01 Apr 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-cyanuric-acid-and-why-does-my-pool-need-it/https://www.keyspoolservice.com/blog/what-is-cyanuric-acid-and-why-does-my-pool-need-it/Cyanuric acid is chlorine's sunscreen. Learn the 30 to 50 ppm target, how CYA protects chlorine from UV, and what happens when levels climb too high.Sun, 29 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-mustard-algae-and-how-do-i-treat-it/https://www.keyspoolservice.com/blog/what-is-mustard-algae-and-how-do-i-treat-it/Mustard algae is a chlorine-tolerant yellow algae that clings to shady walls and brushes off in clouds. Here is the treatment that actually stops it returning.Thu, 26 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-pool-clarifier-work/https://www.keyspoolservice.com/blog/does-pool-clarifier-work/Pool clarifier works, but only when your filter and chemistry are sound. What it actually does, when it helps, and when it is a waste of money.Sun, 22 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-does-a-pool-skimmer-actually-do/https://www.keyspoolservice.com/blog/what-does-a-pool-skimmer-actually-do/A pool skimmer pulls surface water and floating debris into the filter before it sinks. How it works, how to maintain it, and why water level matters.Thu, 19 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/when-should-i-replace-my-pool-filter/https://www.keyspoolservice.com/blog/when-should-i-replace-my-pool-filter/Cartridges last 2 to 3 years, DE grids 5 to 8, sand 5 to 7. Learn the signs that media is finished rather than just dirty, and when tanks need replacing.Sun, 15 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-clean-a-salt-cell/https://www.keyspoolservice.com/blog/how-do-i-clean-a-salt-cell/Clean a salt cell only when you can see white scale on the plates, using a 4:1 water to muriatic acid soak. Here is the safe step-by-step process.Wed, 11 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-does-it-take-to-heat-a-pool/https://www.keyspoolservice.com/blog/how-long-does-it-take-to-heat-a-pool/Gas heaters can warm a pool in hours. Heat pumps usually take a day or more. What determines heating time and how to speed it up without a bigger heater.Sun, 08 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/should-i-run-my-pool-pump-at-night-or-during-the-day/https://www.keyspoolservice.com/blog/should-i-run-my-pool-pump-at-night-or-during-the-day/Run at least part of your pump time during daylight, when chlorine demand and swimmer load peak. Split the schedule to catch off-peak rates at night.Sat, 07 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/which-pool-chemicals-should-never-be-mixed/https://www.keyspoolservice.com/blog/which-pool-chemicals-should-never-be-mixed/Never mix chlorine with acid, and never mix two different chlorine types. Both can release toxic chlorine gas. Add chemicals to water, one at a time.Wed, 04 Mar 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-does-it-cost-to-maintain-a-pool-per-year/https://www.keyspoolservice.com/blog/how-much-does-it-cost-to-maintain-a-pool-per-year/Annual pool upkeep commonly runs 1,000 to 2,000 dollars DIY in chemicals and supplies, or roughly 1,200 to 4,200 dollars with weekly professional service.Sat, 28 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-does-rain-affect-pool-chemistry/https://www.keyspoolservice.com/blog/how-does-rain-affect-pool-chemistry/Rain dilutes chlorine and stabilizer, lowers pH and alkalinity, and washes in organics and phosphates. Here is what to test and fix after a heavy downpour.Wed, 25 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-chlorine-should-i-add-to-my-pool/https://www.keyspoolservice.com/blog/how-much-chlorine-should-i-add-to-my-pool/Keep free chlorine at 2 to 4 ppm. About 10 fl oz of 12.5% liquid chlorine per 10,000 gallons raises it 1 ppm. Dosing by product type, plus shock amounts.Sat, 21 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-black-algae-in-a-pool-and-how-do-i-remove-it/https://www.keyspoolservice.com/blog/what-is-black-algae-in-a-pool-and-how-do-i-remove-it/Black algae roots into plaster and shrugs off normal chlorine. Removal takes wire brushing to break the cap, then sustained shock levels.Tue, 17 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-pool-flocculant-and-when-should-i-use-it/https://www.keyspoolservice.com/blog/what-is-pool-flocculant-and-when-should-i-use-it/Flocculant sinks cloudy particles to the pool floor so you can vacuum them out. How it differs from clarifier, when to use it, and which filters it ruins.Sat, 14 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-clean-a-pool-filter-cartridge/https://www.keyspoolservice.com/blog/how-do-i-clean-a-pool-filter-cartridge/Clean a pool filter cartridge every 3 to 6 months by rinsing the pleats with a hose, then soaking to remove oils and minerals. Full step by step instructions.Tue, 10 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/is-a-robotic-pool-cleaner-worth-it/https://www.keyspoolservice.com/blog/is-a-robotic-pool-cleaner-worth-it/For most pool owners, yes. Robots run on their own low-voltage power, filter debris into their own basket, and scrub surfaces suction cleaners skip.Mon, 09 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/sand-cartridge-or-de-filter-which-is-best/https://www.keyspoolservice.com/blog/sand-cartridge-or-de-filter-which-is-best/DE filters the finest, cartridge is the best all around choice for most home pools, and sand is the simplest to run. Here is how to pick the right one.Fri, 06 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-does-a-salt-cell-last/https://www.keyspoolservice.com/blog/how-long-does-a-salt-cell-last/Salt cells typically last three to seven years. Here is what wears them out, how to extend their life, and how to tell when yours is finished.Tue, 03 Feb 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/do-solar-pool-heaters-actually-work/https://www.keyspoolservice.com/blog/do-solar-pool-heaters-actually-work/Solar pool heaters work and cost almost nothing to run, but only produce heat when the sun cooperates. What they deliver, what they need, and their limits.Fri, 30 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/do-i-need-a-pool-fence-in-florida/https://www.keyspoolservice.com/blog/do-i-need-a-pool-fence-in-florida/Florida law requires residential pools to have one approved safety feature. A four foot fence is one option, along with covers, alarms and latching doors.Mon, 26 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-does-it-cost-to-resurface-a-pool/https://www.keyspoolservice.com/blog/how-much-does-it-cost-to-resurface-a-pool/Pool resurfacing commonly runs 5,000 to 15,000 dollars or more in the US, driven by pool size, finish type and how much tile and prep work is included.Fri, 23 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-a-pool-need-service-in-winter-in-florida/https://www.keyspoolservice.com/blog/does-a-pool-need-service-in-winter-in-florida/Yes. Florida pools are used year round and need weekly service all winter. There is no winterizing here, and neglected water still goes green.Mon, 19 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-does-my-pool-smell-strongly-of-chlorine/https://www.keyspoolservice.com/blog/why-does-my-pool-smell-strongly-of-chlorine/A strong chlorine smell means too little free chlorine, not too much. The odor is chloramines. Here is what causes them and how to shock them out for good.Thu, 15 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-percentage-should-i-set-my-salt-chlorine-generator-to/https://www.keyspoolservice.com/blog/what-percentage-should-i-set-my-salt-chlorine-generator-to/There is no universal salt cell setting. Start near 50 percent, test free chlorine after a day, and adjust in 10 percent steps to hold 1 to 4 ppm.Tue, 13 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/can-you-swim-in-a-green-pool/https://www.keyspoolservice.com/blog/can-you-swim-in-a-green-pool/No. Green water means sanitizer has failed, so bacteria are unchecked, and you cannot see the bottom. Here are the real risks and how fast you can fix it.Mon, 12 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-cloudy-when-the-chlorine-level-is-fine/https://www.keyspoolservice.com/blog/why-is-my-pool-cloudy-when-the-chlorine-level-is-fine/Good chlorine but cloudy water usually means high pH, high calcium, a failing filter or too little run time. How to identify which one and fix it.Thu, 08 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-often-should-i-backwash-a-sand-filter/https://www.keyspoolservice.com/blog/how-often-should-i-backwash-a-sand-filter/Backwash a sand filter when pressure rises 8 to 10 psi above its clean baseline, not on a fixed schedule. Here is the correct procedure and common mistakes.Mon, 05 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-pump-making-noise/https://www.keyspoolservice.com/blog/why-is-my-pool-pump-making-noise/Pump noise is diagnostic. Screeching means bearings, rattling means cavitation, and humming without spinning means a failed capacitor. Here is how to tell.Thu, 01 Jan 2026 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-salt-cell-not-producing-chlorine/https://www.keyspoolservice.com/blog/why-is-my-salt-cell-not-producing-chlorine/A salt cell stops producing chlorine due to low salt, scale on the plates, a worn cell, cold water, low flow or high stabilizer demand. Diagnose it in order.Sun, 28 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-a-pool-cover-really-keep-heat-in/https://www.keyspoolservice.com/blog/does-a-pool-cover-really-keep-heat-in/Yes. A pool cover is the single biggest heat retention measure available because it stops evaporation, the main way an outdoor pool loses heat overnight.Thu, 25 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-causes-red-eyes-after-swimming-in-a-pool/https://www.keyspoolservice.com/blog/what-causes-red-eyes-after-swimming-in-a-pool/Red eyes after swimming come from chloramines and pH imbalance, not from too much chlorine. A pool that stings usually needs more chlorine, not less.Sun, 21 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-size-pool-heater-do-i-need-for-my-pool/https://www.keyspoolservice.com/blog/what-size-pool-heater-do-i-need-for-my-pool/Pool heaters are sized on surface area, target temperature rise and wind exposure, not gallons alone. How BTU sizing works and why undersizing hurts.Thu, 18 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-does-it-cost-to-replace-a-pool-pump/https://www.keyspoolservice.com/blog/how-much-does-it-cost-to-replace-a-pool-pump/Pool pump replacement commonly runs 700 to 2,000 dollars installed in the US. Here is what drives the price and why variable speed usually pays for itself.Wed, 17 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-does-intense-sun-affect-pool-chemicals/https://www.keyspoolservice.com/blog/how-does-intense-sun-affect-pool-chemicals/UV destroys unstabilized chlorine in a couple of hours. Cyanuric acid is the shield that prevents it. Here is how to keep sanitizer working.Sun, 14 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-the-difference-between-free-chlorine-and-total-chlorine/https://www.keyspoolservice.com/blog/what-is-the-difference-between-free-chlorine-and-total-chlorine/Free chlorine is the sanitizer still available to work. Total chlorine includes spent chloramines. The gap tells you when to shock your pool.Wed, 10 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-does-my-pool-turn-green-after-it-rains/https://www.keyspoolservice.com/blog/why-does-my-pool-turn-green-after-it-rains/Rain dilutes chlorine and stabilizer, drops pH, and washes in phosphates and organic debris. Here is how to stop storms from turning your pool green every time.Sat, 06 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-should-i-run-my-pump-to-clear-cloudy-water/https://www.keyspoolservice.com/blog/how-long-should-i-run-my-pump-to-clear-cloudy-water/Run the pump 24 hours a day until cloudy water clears. Why turnover matters more than chemicals, and how to calculate your own pool's run time.Wed, 03 Dec 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-losing-water/https://www.keyspoolservice.com/blog/why-is-my-pool-losing-water/Normal pool evaporation is about a quarter inch per day. Losing more than that usually means a leak, a backwash valve issue, or splash out. Here is how to tell.Sat, 29 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-long-does-a-pool-pump-last/https://www.keyspoolservice.com/blog/how-long-does-a-pool-pump-last/Most pool pumps last 8 to 12 years. Learn what shortens that, the warning signs a pump is near the end, and when repair stops making financial sense.Tue, 25 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/can-you-convert-a-chlorine-pool-to-saltwater/https://www.keyspoolservice.com/blog/can-you-convert-a-chlorine-pool-to-saltwater/Almost any chlorine pool can be converted to salt. What the conversion involves, general costs, and which surfaces and equipment to check first.Sat, 22 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/is-my-pool-drain-a-suction-entrapment-hazard/https://www.keyspoolservice.com/blog/is-my-pool-drain-a-suction-entrapment-hazard/A missing or cracked main drain cover is a serious entrapment hazard. How to check yours, what compliant covers look like, and when to stop swimming.Fri, 21 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-pool-heater-not-working/https://www.keyspoolservice.com/blog/why-is-my-pool-heater-not-working/Most pool heater failures trace to water flow, thermostat settings, gas or power supply, or a dirty filter. Check these before calling for service.Tue, 18 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/can-you-get-sick-from-swimming-in-a-pool/https://www.keyspoolservice.com/blog/can-you-get-sick-from-swimming-in-a-pool/Yes. Poorly maintained pools can cause diarrheal illness, ear and skin infections, and irritation. Proper chlorine and pH prevent nearly all of it.Fri, 14 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-often-does-a-pool-need-to-be-resurfaced/https://www.keyspoolservice.com/blog/how-often-does-a-pool-need-to-be-resurfaced/Plaster pools typically need resurfacing every 10 to 15 years, while pebble and quartz last longer. Here are the signs it is time and what it costs.Tue, 11 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-should-i-do-with-my-pool-while-i-travel/https://www.keyspoolservice.com/blog/what-should-i-do-with-my-pool-while-i-travel/Do not shut the system down. Keep the pump on a timer, balance and shock before you leave, and have someone service the pool while you are gone.Fri, 07 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-often-should-i-test-my-pool-water/https://www.keyspoolservice.com/blog/how-often-should-i-test-my-pool-water/Test chlorine and pH two to three times a week, alkalinity weekly, calcium and cyanuric acid monthly. A schedule that keeps pool water stable.Mon, 03 Nov 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-shock-does-it-take-to-clear-a-green-pool/https://www.keyspoolservice.com/blog/how-much-shock-does-it-take-to-clear-a-green-pool/Shock dose depends on cyanuric acid, not pool size alone. Exact dosing per 10,000 gallons for liquid chlorine and cal hypo, plus how long to hold it.Fri, 31 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/can-a-dirty-filter-cause-cloudy-pool-water/https://www.keyspoolservice.com/blog/can-a-dirty-filter-cause-cloudy-pool-water/A dirty or worn filter is a top cause of cloudy pool water. The pressure rule, how often to clean each filter type, and when media needs replacing.Mon, 27 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-prevent-swimmers-ear-after-swimming/https://www.keyspoolservice.com/blog/how-do-i-prevent-swimmers-ear-after-swimming/Dry your ears thoroughly after every swim, tilt your head to drain each side, skip cotton swabs, and keep pool water properly sanitized and balanced.Sun, 26 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-find-a-leak-in-my-pool/https://www.keyspoolservice.com/blog/how-do-i-find-a-leak-in-my-pool/Confirm a pool leak with the bucket test, then narrow it down by water level, pump on versus off, and dye testing. A practical step by step guide.Fri, 24 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/are-variable-speed-pool-pumps-worth-the-money/https://www.keyspoolservice.com/blog/are-variable-speed-pool-pumps-worth-the-money/Variable speed pumps cost more upfront but cut energy use substantially, run quieter and filter better. Florida also requires them on most replacements.Mon, 20 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-a-saltwater-pool-damage-equipment-and-decking/https://www.keyspoolservice.com/blog/does-a-saltwater-pool-damage-equipment-and-decking/Salt pools can accelerate wear on soft stone, unprotected metal and older heaters. Here is what is actually at risk and how to protect it.Thu, 16 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/can-you-run-a-pool-heater-year-round-in-florida/https://www.keyspoolservice.com/blog/can-you-run-a-pool-heater-year-round-in-florida/You can, but most Florida pools do not need it. Summer water often runs hotter than comfortable on its own. When heating pays off and when to shut it off.Mon, 13 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-a-recreational-water-illness/https://www.keyspoolservice.com/blog/what-is-a-recreational-water-illness/A recreational water illness is any infection spread through swimming water. Diarrheal illness is most common, and correct chlorine and pH prevent most.Thu, 09 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-does-a-pool-add-to-your-electric-bill/https://www.keyspoolservice.com/blog/how-much-does-a-pool-add-to-your-electric-bill/A pool commonly adds about 30 to 150 dollars a month to an electric bill. Pump type and run time drive almost all of it, and a heater changes it.Sun, 05 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-care-for-a-pool-i-only-use-part-of-the-year/https://www.keyspoolservice.com/blog/how-do-i-care-for-a-pool-i-only-use-part-of-the-year/A part year pool still needs weekly service in the months you are away. Never shut it down or drain it in Florida. Here is how to run one efficiently.Thu, 02 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-a-swimming-pool-add-value-to-my-home/https://www.keyspoolservice.com/blog/does-a-swimming-pool-add-value-to-my-home/In warm climates a pool commonly adds around 5 to 8 percent to home value, but it rarely returns its full install cost. Condition drives the rest.Wed, 01 Oct 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-causes-high-calcium-hardness-in-a-pool/https://www.keyspoolservice.com/blog/what-causes-high-calcium-hardness-in-a-pool/High calcium hardness comes from hard fill water, cal-hypo shock and evaporation. Target 200 to 400 ppm. Signs to watch and how to bring it down.Sun, 28 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-does-my-pool-keep-turning-green-even-with-chlorine-in-it/https://www.keyspoolservice.com/blog/why-does-my-pool-keep-turning-green-even-with-chlorine-in-it/If your pool tests for chlorine but still goes green, cyanuric acid is usually too high, pH is too high, or circulation is dead. How to find which one it is.Wed, 24 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-my-new-plaster-pool-cloudy/https://www.keyspoolservice.com/blog/why-is-my-new-plaster-pool-cloudy/Cloudy water in a new plaster pool is normal curing dust. What to expect, how long it lasts, and the startup mistakes that permanently stain plaster.Sun, 21 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-causes-pool-stains-and-how-do-i-remove-them/https://www.keyspoolservice.com/blog/what-causes-pool-stains-and-how-do-i-remove-them/Pool stains are either organic (leaves, algae) or metal (iron, copper). Identify which with a simple chlorine and vitamin C test, then treat accordingly.Wed, 17 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-is-there-air-in-my-pool-pump/https://www.keyspoolservice.com/blog/why-is-there-air-in-my-pool-pump/Air in the pump basket means a suction side leak or a low water level. Check the water line and pump lid O-ring first, then work down the line to find it.Sat, 13 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-does-my-salt-level-keep-dropping/https://www.keyspoolservice.com/blog/why-does-my-salt-level-keep-dropping/Salt is not consumed by making chlorine. Falling salinity means water is leaving the pool through splash, backwashing, rain overflow or a leak.Wed, 10 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-heating-a-pool-increase-chemical-use/https://www.keyspoolservice.com/blog/does-heating-a-pool-increase-chemical-use/Yes. Warmer water accelerates chlorine loss and speeds algae growth, so heated pools need more sanitizer and closer testing. How to manage that demand.Sat, 06 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-much-does-it-cost-to-fill-a-pool-with-water/https://www.keyspoolservice.com/blog/how-much-does-it-cost-to-fill-a-pool-with-water/Filling a 15,000 to 20,000 gallon pool on municipal water commonly runs about 80 to 300 dollars, plus possible sewer charges. Trucked water costs more.Fri, 05 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-make-a-home-pool-safer-for-kids/https://www.keyspoolservice.com/blog/how-do-i-make-a-home-pool-safer-for-kids/Use layers of protection: a four foot isolation fence with a self latching gate, door alarms, a designated water watcher, swim lessons and CPR training.Tue, 02 Sep 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-is-included-in-a-professional-pool-service-visit/https://www.keyspoolservice.com/blog/what-is-included-in-a-professional-pool-service-visit/A standard pool service visit covers testing and balancing, skimming, brushing, vacuuming, baskets and an equipment check. Here is what costs extra.Sat, 30 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-pollen-affect-my-pool-water/https://www.keyspoolservice.com/blog/does-pollen-affect-my-pool-water/Pollen consumes chlorine, clouds water, feeds algae and clogs filters. It also looks like mustard algae. Here is how to tell them apart and clear it fast.Tue, 26 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/why-will-my-chlorine-level-not-come-up/https://www.keyspoolservice.com/blog/why-will-my-chlorine-level-not-come-up/Chlorine that will not hold usually means algae, high cyanuric acid, old product or organic demand. Work the causes in order and fix the real one.Fri, 22 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-pool-algaecide-actually-work/https://www.keyspoolservice.com/blog/does-pool-algaecide-actually-work/Algaecide works as prevention, not as a cure. Here is what each type does, why it will not clear a green pool, and when it is genuinely worth using.Tue, 19 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/does-rain-make-a-pool-cloudy/https://www.keyspoolservice.com/blog/does-rain-make-a-pool-cloudy/Rain clouds pools by diluting chemistry, dropping pH and washing in debris. Exactly what to test after a storm, and how to get ahead of the next one.Fri, 15 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-do-i-clean-the-waterline-tile-on-my-pool/https://www.keyspoolservice.com/blog/how-do-i-clean-the-waterline-tile-on-my-pool/Waterline tile scum is body oils and calcium scale. Here is how to clean it with a tile brush and the right product, plus when to call for a bead blast.Tue, 12 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/do-i-have-to-tell-my-homeowners-insurance-i-have-a-pool/https://www.keyspoolservice.com/blog/do-i-have-to-tell-my-homeowners-insurance-i-have-a-pool/Yes, disclose your pool to your insurer. Nondisclosure can jeopardize a claim, and most carriers require a compliant barrier and higher limits.Sun, 10 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-does-a-pool-automation-system-actually-do/https://www.keyspoolservice.com/blog/what-does-a-pool-automation-system-actually-do/Pool automation runs your pump speeds, heater, lights, valves and chlorination on a schedule from your phone. Here is what it will and will not do.Fri, 08 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/do-saltwater-pools-still-need-chlorine/https://www.keyspoolservice.com/blog/do-saltwater-pools-still-need-chlorine/Yes. A saltwater pool is sanitized by chlorine, generated on site from salt. Here is why it is not chlorine free and when you still add chlorine by hand.Mon, 04 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/what-water-temperature-is-too-hot-for-a-pool/https://www.keyspoolservice.com/blog/what-water-temperature-is-too-hot-for-a-pool/Above roughly 90F pool water stops being refreshing and can pose health risks. The warning signs, who is most at risk, and how to cool a pool down.Fri, 01 Aug 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/is-it-safe-to-swim-during-a-thunderstorm/https://www.keyspoolservice.com/blog/is-it-safe-to-swim-during-a-thunderstorm/No. Get out of the pool at the first sound of thunder and wait 30 minutes after the last thunder before returning. Indoor pools are not automatically safe.Mon, 28 Jul 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/should-i-maintain-my-own-pool-or-hire-a-service/https://www.keyspoolservice.com/blog/should-i-maintain-my-own-pool-or-hire-a-service/DIY pool care commonly costs 1,000 to 2,000 dollars a year in supplies. Professional service runs 100 to 350 dollars a month. Here is how to choose.Thu, 24 Jul 2025 00:00:00 GMThttps://www.keyspoolservice.com/blog/how-does-a-heat-wave-affect-pool-water/https://www.keyspoolservice.com/blog/how-does-a-heat-wave-affect-pool-water/Heat accelerates chlorine loss, speeds algae growth, raises pH and increases evaporation. Here is how to keep pool water stable when temperatures spike.Mon, 21 Jul 2025 00:00:00 GMT