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  1. M

    Advice needed high CYA, new to forum.

    It looks like the only option is to drain the pool. I think I will raise the PH back up to normal with Borax to keep from causing damage to the heater core until I can drain it when the water restrictions are dropped here. The way I came up with 400-600 CYA was by figuring that half way up...
  2. M

    Advice needed high CYA, new to forum.

    Water is clear currently, but green algee keeps growing on the walls and steps. I brush it off, dump a bunch of chlorine in the pool, but the algee is back 1-3 days later (it always shows up overnight). There are drought restrictions on water use right now, and the city probably won't give...
  3. M

    Advice needed high CYA, new to forum.

    We have had this house and pool a little over three years. When we got it, the previous owners were using Home Depot puck and granulated chlorine. Not knowing better, I continued to use the exact same stuff. Sometimes I would also dump liquid chlorine (from home Depot) in trying to get the...