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    Alternative to Chlorine for mustard algae?

    Hi all, 24,000 gallon inground, sand filter, vinyl pool. Liquid chlorine used. No other chemicals added regularly. Hardness is around 180, pH is 7.4. FC is kept between 5 - 10 during the season. Getting ready to close for the season (live in upstate NY, it's already in the 40's at night...
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    Sand "leaking" from filter, then stopped?

    Hi all, 24,000ish gallon ingound. Hayward pu,p and Hayward s220T sand filter. Mesh safety cover (the kind with the springs attaching it to hidden anchors). I opened it for the summer a few weeks ago, for the first time (moved into the house mid-summer last year and had to replace the liner so...
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    Heat pump vs Propane heater - upstate NY

    Hi all, Considering a method to heat other than our solar panels for this upcoming season. I know very little about pool heaters and have done some googling and thread searching on here and am still a bit confused. I live in upstate NY, it's pretty cold here - we would like to extend the...
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    First time closing - please review my plan! Concerned about line to bottom drain

    Hi all, Will soon be closing the pool at the house I recently bought for the first time, I live in the northeast, it freezes hard here, hence I want to make sure I'm doing this right. I've been doing a lot of reading and googling but I can't find a comprehensive guide that covers all aspects...
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    New owner trying to understand relationship between CYA and Chlorine

    Just bought a house with an inground pool, my first ever pool ownership. It had a failed liner, that has been replaced and it has been running great for about a week. I started it with liquid chlorine and powdered CYA and have been adjusting TA and pH with Muriatic acid, as the TA was super high...