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Hydrogen Peroxide to Lower Chlorine in Overshocked Pool
Water Chemistry Medium 2-4 hours (including wait time between doses and retesting) 34 👍

Hydrogen Peroxide to Lower Chlorine in Overshocked Pool

Three pounds of shock into a 15,000-gallon pool — I may have gotten a little enthusiastic. My test kit is maxed out and the water looks like it belongs in a science experiment, not a backyard. Nobody's swimming in it anytime soon and I want to fix this fast.

Standing in the pool store aisle right now, staring at hydrogen peroxide products, sodium thiosulfate, and a few other things I don't recognize — and I have no clue which one I actually need. Someone in my neighborhood group chat swore that hydrogen peroxide is the move, but I've also seen warnings that it can tank your pH or strip your sanitizer to zero if you overdo it.

Can hydrogen peroxide actually neutralize a chlorine overload safely? How much would I need, is it safe for my equipment and liner, and are there smarter or more reliable ways to bring the chlorine back down to a swimmable level without creating a new problem?…more

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