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  1. M

    Stupid question about shock and CYA

    Hey everyone, is anyone familiar with HTH shock and swim? It doesn't list stabilizer or CYA or any variant of it as an ingredient, but besides 12.5% liquid chlorine, the shock and swim is all I have added and my already high CYA went higher, it was at 80 and now it's at100, I stopped adding...
  2. M

    I think Hayward pool light bulb

    Hey everyone, just realized when I added chlorine last night that my light is burnt out, I believe it is a Hayward light, I should be able to remove the light assembly and pull the cord up and out of the pool and open and replace the bulb and then reassemble without draining the pool right? I...
  3. M

    Having issues with algae and balancing the chemistry

    Hey everyone, I am brand new to the forum, my pool info is in my sig, I am really new to pool chemistry I used to clean my friends pool almost every day but his dad did all the chemicals, here's my trouble I keep getting algae growth on the sides and floor of my pool, no full bloom, but it has...