water chemistry

Why Pool Test Strips Miss the Real Problem: Combined Chlorine and Chloramines Explained

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how to test for free chlorine

I’ve been managing pools for resort chains and HOA communities across the Southwest for over a decade, and I can tell you with absolute certainty: the moment a pool owner pulls out a test strip and squints at the color chart is the moment they’re already losing the chemistry game. Here’s what happens. You dip … Read more

Salt Chlorinator Cell Lifespan: When to Clean It and When to Replace It

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salt cell maintenance

I’m sitting in the equipment room of a 15,000-gallon resort pool on a Tuesday morning, and I’m looking at the same problem I’ve seen a hundred times: an “Inspect Cell” light blinking on the salt chlorinator control panel, a pool that’s starting to cloud up despite solid salt readings, and a pool operator who’s convinced … Read more