Pool Care Answers
Straight answers to the questions pool owners actually ask.
117 answers written by working pool technicians in Key West. Search it, browse it, or just ask us at 305-731-4448.
Latest
Water Chemistry
What Should My Pool's 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.
Water Chemistry
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.
Green Water & Algae
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.
- Water Chemistry What Should My Pool's pH Level Be? Jul 17, 2026
- Water Chemistry How Do I Lower Cyanuric Acid Without Draining My Pool? Jul 15, 2026
- Green Water & Algae Why Is My Pool Green? Jul 13, 2026
- Cloudy Water Why Is My Pool Water Cloudy? Jul 10, 2026
- Cleaning & Maintenance How Often Should I Brush My Pool? Jul 6, 2026
- Seasonal & Weather Hurricane Season Pool Prep in the Keys: What Actually Works Jul 3, 2026
- Equipment, Pumps & Filters How Long Should I Run My Pool Pump Each Day? Jul 2, 2026
- Saltwater Pools How Does a Saltwater Pool Actually Work? Jun 29, 2026
- Heating & Temperature What Is the Ideal Swimming Pool Temperature? Jun 25, 2026
- Pool Safety How Do I Know If My Pool Water Is Safe to Swim In? Jun 21, 2026
- Water Chemistry Is Liquid Chlorine Better Than Chlorine Tablets? Jun 19, 2026
- Keys Local Knowledge Why Key West Pools Are Not Like Mainland Pools Jun 19, 2026
- Costs & How Often How Much Does Pool Service Cost Per Month? Jun 18, 2026
- Seasonal & Weather What Should I Do With My Pool Before a Hurricane? Jun 14, 2026
- Water Chemistry How Do I Lower the pH in My Pool? Jun 10, 2026
- Green Water & Algae How Do I Get Rid of Green Algae in My Pool? Jun 7, 2026
- Cloudy Water How Do I Clear a Cloudy Pool Fast? Jun 3, 2026
- Cleaning & Maintenance How Often Should I Vacuum My Pool? May 31, 2026
- Keys Local Knowledge The Guest-Ready Pool: What Vacation Rental Managers Should Demand From Pool Service May 28, 2026
- Equipment, Pumps & Filters Why Is My Pool Pump Not Priming? May 27, 2026
- Green Water & Algae Can I Add Shock and Algaecide at the Same Time? May 24, 2026
- Saltwater Pools Is a Saltwater Pool Better Than a Chlorine Pool? May 23, 2026
- Heating & Temperature How Much Does It Cost to Heat a Pool? May 20, 2026
- Pool Safety How Long After Shocking a Pool Can You Swim? May 16, 2026
- Costs & How Often How Often Should a Pool Be Professionally Serviced? May 12, 2026
- Seasonal & Weather Should I Drain My Pool Before a Storm? May 9, 2026
- Water Chemistry How Do I Raise Alkalinity in a Pool? May 5, 2026
- Green Water & Algae How Long Does It Take to Clear a Green Pool? May 1, 2026
- Cloudy Water Why Is My Pool Cloudy After Shocking It? Apr 28, 2026
- Cloudy Water Is It Safe to Swim in Cloudy Pool Water? Apr 27, 2026
- Cleaning & Maintenance How Do I Vacuum a Pool Manually? Apr 24, 2026
- Equipment, Pumps & Filters What Is My Pool Filter Pressure Gauge Telling Me? Apr 20, 2026
- Saltwater Pools How Much Salt Does My Pool Need? Apr 17, 2026
- Heating & Temperature Heat Pump or Gas Pool Heater: Which Is Better? Apr 13, 2026
- Pool Safety How Long After Adding Chlorine Can You Swim? Apr 9, 2026
- Costs & How Often Is Weekly Pool Service Worth It? Apr 6, 2026
- Seasonal & Weather How Do I Clean My Pool After a Storm? Apr 2, 2026
- Cleaning & Maintenance Why Is There Foam on My Pool Surface? Apr 1, 2026
- Water Chemistry What Is Cyanuric Acid and Why Does My Pool Need It? Mar 29, 2026
- Green Water & Algae What Is Mustard Algae and How Do I Treat It? Mar 26, 2026
- Cloudy Water Does Pool Clarifier Work? Mar 22, 2026
- Cleaning & Maintenance What Does a Pool Skimmer Actually Do? Mar 19, 2026
- Equipment, Pumps & Filters When Should I Replace My Pool Filter? Mar 15, 2026
- Saltwater Pools How Do I Clean a Salt Cell? Mar 11, 2026
- Heating & Temperature How Long Does It Take to Heat a Pool? Mar 8, 2026
- Equipment, Pumps & Filters Should I Run My Pool Pump at Night or During the Day? Mar 7, 2026
- Pool Safety Which Pool Chemicals Should Never Be Mixed? Mar 4, 2026
- Costs & How Often How Much Does It Cost to Maintain a Pool Per Year? Feb 28, 2026
- Seasonal & Weather How Does Rain Affect Pool Chemistry? Feb 25, 2026
- Water Chemistry How Much Chlorine Should I Add to My Pool? Feb 21, 2026
- Green Water & Algae What Is Black Algae in a Pool and How Do I Remove It? Feb 17, 2026
- Cloudy Water What Is Pool Flocculant and When Should I Use It? Feb 14, 2026
- Cleaning & Maintenance How Do I Clean a Pool Filter Cartridge? Feb 10, 2026
- Equipment, Pumps & Filters Is a Robotic Pool Cleaner Worth It? Feb 9, 2026
- Equipment, Pumps & Filters Sand, Cartridge or DE Filter: Which Is Best? Feb 6, 2026
- Saltwater Pools How Long Does a Salt Cell Last? Feb 3, 2026
- Heating & Temperature Do Solar Pool Heaters Actually Work? Jan 30, 2026
- Pool Safety Do I Need a Pool Fence in Florida? Jan 26, 2026
- Costs & How Often How Much Does It Cost to Resurface a Pool? Jan 23, 2026
- Seasonal & Weather Does a Pool Need Service in Winter in Florida? Jan 19, 2026
- Water Chemistry Why Does My Pool Smell Strongly of Chlorine? Jan 15, 2026
- Saltwater Pools What Percentage Should I Set My Salt Chlorine Generator To? Jan 13, 2026
- Green Water & Algae Can You Swim in a Green Pool? Jan 12, 2026
- Cloudy Water Why Is My Pool Cloudy When the Chlorine Level Is Fine? Jan 8, 2026
- Cleaning & Maintenance How Often Should I Backwash a Sand Filter? Jan 5, 2026
- Equipment, Pumps & Filters Why Is My Pool Pump Making Noise? Jan 1, 2026
- Saltwater Pools Why Is My Salt Cell Not Producing Chlorine? Dec 28, 2025
- Heating & Temperature Does a Pool Cover Really Keep Heat In? Dec 25, 2025
- Pool Safety What Causes Red Eyes After Swimming in a Pool? Dec 21, 2025
- Heating & Temperature What Size Pool Heater Do I Need for My Pool? Dec 18, 2025
- Costs & How Often How Much Does It Cost to Replace a Pool Pump? Dec 17, 2025
- Seasonal & Weather How Does Intense Sun Affect Pool Chemicals? Dec 14, 2025
- Water Chemistry What Is the Difference Between Free Chlorine and Total Chlorine? Dec 10, 2025
- Green Water & Algae Why Does My Pool Turn Green After It Rains? Dec 6, 2025
- Cloudy Water How Long Should I Run My Pump to Clear Cloudy Water? Dec 3, 2025
- Cleaning & Maintenance Why Is My Pool Losing Water? Nov 29, 2025
- Equipment, Pumps & Filters How Long Does a Pool Pump Last? Nov 25, 2025
- Saltwater Pools Can You Convert a Chlorine Pool to Saltwater? Nov 22, 2025
- Pool Safety Is My Pool Drain a Suction Entrapment Hazard? Nov 21, 2025
- Heating & Temperature Why Is My Pool Heater Not Working? Nov 18, 2025
- Pool Safety Can You Get Sick From Swimming in a Pool? Nov 14, 2025
- Costs & How Often How Often Does a Pool Need to Be Resurfaced? Nov 11, 2025
- Seasonal & Weather What Should I Do With My Pool While I Travel? Nov 7, 2025
- Water Chemistry How Often Should I Test My Pool Water? Nov 3, 2025
- Green Water & Algae How Much Shock Does It Take to Clear a Green Pool? Oct 31, 2025
- Cloudy Water Can a Dirty Filter Cause Cloudy Pool Water? Oct 27, 2025
- Pool Safety How Do I Prevent Swimmer's Ear After Swimming? Oct 26, 2025
- Cleaning & Maintenance How Do I Find a Leak in My Pool? Oct 24, 2025
- Equipment, Pumps & Filters Are Variable Speed Pool Pumps Worth the Money? Oct 20, 2025
- Saltwater Pools Does a Saltwater Pool Damage Equipment and Decking? Oct 16, 2025
- Heating & Temperature Can You Run a Pool Heater Year Round in Florida? Oct 13, 2025
- Pool Safety What Is a Recreational Water Illness? Oct 9, 2025
- Costs & How Often How Much Does a Pool Add to Your Electric Bill? Oct 5, 2025
- Seasonal & Weather How Do I Care for a Pool I Only Use Part of the Year? Oct 2, 2025
- Costs & How Often Does a Swimming Pool Add Value to My Home? Oct 1, 2025
- Water Chemistry What Causes High Calcium Hardness in a Pool? Sep 28, 2025
- Green Water & Algae Why Does My Pool Keep Turning Green Even With Chlorine in It? Sep 24, 2025
- Cloudy Water Why Is My New Plaster Pool Cloudy? Sep 21, 2025
- Cleaning & Maintenance What Causes Pool Stains and How Do I Remove Them? Sep 17, 2025
- Equipment, Pumps & Filters Why Is There Air in My Pool Pump? Sep 13, 2025
- Saltwater Pools Why Does My Salt Level Keep Dropping? Sep 10, 2025
- Heating & Temperature Does Heating a Pool Increase Chemical Use? Sep 6, 2025
- Costs & How Often How Much Does It Cost to Fill a Pool With Water? Sep 5, 2025
- Pool Safety How Do I Make a Home Pool Safer for Kids? Sep 2, 2025
- Costs & How Often What Is Included in a Professional Pool Service Visit? Aug 30, 2025
- Seasonal & Weather Does Pollen Affect My Pool Water? Aug 26, 2025
- Water Chemistry Why Will My Chlorine Level Not Come Up? Aug 22, 2025
- Green Water & Algae Does Pool Algaecide Actually Work? Aug 19, 2025
- Cloudy Water Does Rain Make a Pool Cloudy? Aug 15, 2025
- Cleaning & Maintenance How Do I Clean the Waterline Tile on My Pool? Aug 12, 2025
- Costs & How Often Do I Have to Tell My Homeowners Insurance I Have a Pool? Aug 10, 2025
- Equipment, Pumps & Filters What Does a Pool Automation System Actually Do? Aug 8, 2025
- Saltwater Pools Do Saltwater Pools Still Need Chlorine? Aug 4, 2025
- Heating & Temperature What Water Temperature Is Too Hot for a Pool? Aug 1, 2025
- Pool Safety Is It Safe to Swim During a Thunderstorm? Jul 28, 2025
- Costs & How Often Should I Maintain My Own Pool or Hire a Service? Jul 24, 2025
- Seasonal & Weather How Does a Heat Wave Affect Pool Water? Jul 21, 2025
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