Water Quality
Everything about pool pH, chlorine, alkalinity and water hardness. Learn how to test, correct and maintain the perfect balance for clear, safe pool water.
Chlorine Too High in Pool: How to Lower It Fast
Chlorine too high in your pool? Above 3 ppm you need to lower it by aeration, dilution or sodium thiosulphate. Learn symptoms, risks and the fastest fix.
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Hot Tub Water Quality: Chlorine, pH and Maintenance Guide
Hot tub water quality care: chlorine 3-5 ppm, pH 7.2-7.6, weekly testing. Complete guide covering dosing, maintenance and fixing common problems.
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Pool Water Temperature: Ideal Range Per Use (26-28°C Guide)
Ideal pool water temperature: 26-28°C for recreation, 24-26°C for fitness, 36-38°C for spa. How temperature affects chlorine consumption and algae growth: with heating options compared.
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Green Pool Water: Clear Algae in 3-5 Days (Step-by-Step Guide)
Green pool water from algae? Shock to 10-30 mg/l chlorine, add algicide and backwash daily. Clears in 3-5 days. Also: how to prevent green algae and remove algae from pool walls.
Read morePool pH levels: ideal 7.2-7.6 (fix high or low pH)
The ideal pool pH is 7.2-7.6. Too high? Use pH decreaser (sodium bisulfate). Too low? Use pH increaser (sodium carbonate). How to test and correct pool pH step by step.
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Pool Chlorine: Dosing Chart, Tablets, and Levels (Complete Guide)
Chlorine dosing for pools: ideal 1-3 ppm. Chart for tablets, shock, and liquid chlorine per cubic meter. What to do with too much or too little chlorine.
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Pool Flocculant: When and How to Use It
Pool flocculant clumps microscopic particles into sinkable flocs that settle on the bottom. Learn when to use it, how to dose it and how it differs from pool clarifier.
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Pool without chlorine: the best alternatives compared
Looking for a chlorine-free pool? Compare saltwater, UV, ozone, bromine and other systems. Honest overview of costs, maintenance and effectiveness.
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How to get clear pool water: 7 proven methods
Pool water not clear? Discover the 7 most effective methods to clear cloudy, green or foamy pool water, with causes and solutions.
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Pool water hardness: calcium hardness explained and how to adjust it
Ideal calcium hardness for a pool: 200-400 mg/l. Too low attacks pool surfaces, too high causes white scale. How to measure and correct it step by step.
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Pool alkalinity: ideal range and how to adjust it
Total alkalinity in your pool should be 80-120 mg/l. Too low causes pH swings. Raise with sodium bicarbonate, lower with pH decreaser. Complete guide.
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Pool ORP/Redox Value: What's the Ideal Range?
Pool ORP redox value: what mV means, ideal ranges by pool type, how it differs from measuring chlorine in ppm, and how to maintain the sensor.
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pH and chlorine in your pool: the complete guide
How pH and chlorine work together in pool water: ideal values, how to measure, what goes wrong and how to correct it. Practical guide with tables.
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How to test pool water: methods, timing and best kits
Test pool pH and chlorine 2 to 3 times per week. Use test strips for daily checks, a digital tester for accurate readings. Best kits compared.
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Cloudy pool water: causes and how to fix it
Cloudy pool water causes: low chlorine, pH off, clogged filter or algae. Identify the cause and apply the right fix. Clears in 24 to 48 hours.
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Pool after rain: what to do when it rains on your pool
Heavy rain can throw off pool chemistry in hours. Learn what to check and correct after rain, including pH, chlorine, and phosphate levels.
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