Your Pool Is Crystal Clear. But Is It Actually Safe to Swim?
Clear water and sanitized water are two different things. Why a crystal-clear pool can read 400 mV of sanitizing power,…
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8 pool chemistry guides
Pool Maintenance Guides
Chlorine, pH, cyanuric acid, and ORP explained the way we run our own pool: two cheap chemicals, a water monitor, and a corded robot on a weekly timer. No pool-store upsell, just what has worked in the water.
Water chemistry
Every maintenance guide
Dosing charts, target ranges, safety rules, and the routine that keeps our water clear.
How Much Chlorine Does Your Pool Actually Need? The ORP Method
How much chlorine to add to your pool by pool size and chlorine type, plus why pH controls whether it works, the ORP…
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How to Add Chlorine to Your Pool
How to add chlorine to your pool the right way: the four chlorine types and what each leaves behind, why liquid…
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How to Lower Cyanuric Acid (CYA) in Your Pool
How to lower cyanuric acid in your pool: what CYA does, how tablets push it too high, the dilution math, the safer 25…
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How to Lower Your Pool's pH
How to lower pH in your pool: why pH decides whether chlorine works, muriatic acid vs dry acid, the two safety rules,…
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How to Raise CYA Without Destroying Your Pool Chemistry
How to raise cyanuric acid the right way: the target CYA for chlorine, salt, and indoor pools, how to test and dose…
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How to Use the Ondilo ICO to Maintain Your Pool
How we use the Ondilo ICO water monitor to maintain a pool: the two numbers that matter (ORP and pH), the target…
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Stop Shocking Your Pool. Do This Instead.
Weekly shock costs $500 to $1,000 a season and never fixes the real problem. The four things we do instead (pH,…
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The gear behind the routine
What we actually use
The water monitor that watches ORP and pH every hour, and the robots that pull organics out before they eat your chlorine.
Ondilo ICO Review
Hands-on review of the Ondilo ICO smart pool monitor: how accurate the readings are in a real pool, what the app…
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Clear UV Review
Hands-on review of the Clear UV, the first robotic pool cleaner with a built-in UV light: 2.09 PSI on our manometer…
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Dolphin Premier Review
Hands-on review of the Dolphin Premier robotic pool cleaner: the strongest suction we've measured at 2.6 PSI, its…
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Cleaning is half of pool service. A corded robot on a weekly timer takes that half off your plate.
Measured performanceSuction recorded in PSI with a manometer.
Weeks of testingEach robot runs in real pools before we score it.
Data-driven scoresWe buy every unit and score it on our own test data.