Crystal clear pool chemistry, demystified.
Opinionated, specific guides on pool chemistry. No filler.
Latest
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hot tubBromine vs Chlorine for Hot Tubs: Which Should You Use?
Bromine and chlorine both sanitize hot tubs, but they behave differently under heat and pH swings. Here's which one actually fits your situation.
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fiberglass poolsFiberglass Pool Cost: What to Budget in 2026
Fiberglass pools typically cost $45,000–$100,000+ installed. Here's what drives the price and how to avoid the most common budget mistakes.
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salt water poolSalt Water vs Chlorine Pool: Which Is Right for You?
Salt water pools still use chlorine—they just make it on-site. Here's how the two systems compare on cost, maintenance, and water feel.
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hot tubHot Tub Chemicals: The Right Order to Add Them
Add hot tub chemicals in the wrong order and you'll cloud the water or waste money. Here's the exact sequence to follow every time, with timing between steps.
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above-ground poolsSteel vs Polymer Pool Walls: Which One Lasts Longer?
Steel pool walls are stronger; polymer resists rust. Here's exactly which material to choose based on your soil, climate, and budget.