Thursday 17 June 2021

Alternate cal hypo and bleach

Short version: Can I safely use 73% cal hypo one day and then try the bleach method and then switch back if I don’t toting lots of bleach around?

More detailed version: This is my first summer with my 19k fiberglass pool. My pool builder is my pool installer. He said treating water means just three things: use cal hypo, add CYA to make the cal hypo last longer, and once a week use a phosphate cleaner (once called Pool Perfecr, now called Perfect Weekly). He warned repeatedly against...

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