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    Pool Chemistry CYA and CH high, need advice.

    Could I use the filter drain to exchange water? For some reason my drain has a valve rather than a plug, so I can gate the drain rate. I was considering if I could try to match it to the intake rate of the pump so the filter stays relatively full and slowly exchange water that way. Otherwise...
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    Pool Chemistry CYA and CH high, need advice.

    So I have a DE filter, but I don't know what MPV means? I attached pictures of my plumbing, is that have to do with the valvle/piping set up? I'm trying to figure out how to safely drain my pool and I figured I'd do it in increments rather than try to drain half and fill half. I have a nearby...
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    New to Managing a Pool - In-ground Pool, Southern California

    Thanks guys. Yeah I had a 15 or 20 dollar kit before but it basically has a 0-5 ppm chlorine test, a pH test, and an Acid Demand test, which seemed really random. Anyway, thanks. Hopefully thinks start getting easier.
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    New to Managing a Pool - In-ground Pool, Southern California

    Hey, just found TFP recently. Name's David. My family recently inherited a piece of property from my grandfather and started managing it last year. Property has an old (60s) plaster pool, ~25k gallons, that we need to take care of. Long and short of it is, my dad hired a guy to maintain the...
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    Pool Chemistry CYA and CH high, need advice.

    Italics is background info, if TLDR. My family inherited a piece of property from my grandfather and started managing it last year. Property has an old (60s) plaster pool, ~25k gallons, that we need to take care of. Long and short of it is, my dad hired a guy to maintain the pool from a local...
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