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    No CYA

    I'm starting this BBB method and I got a TF 100 test kit. It reads no CYA. The pool calculator says I should add about 9 lbs. Can I trust this amount to add? I read too much CYA is a real pain to lower. I have powder HTH Stabilizer/Conditioner. I'm just a bit nervous about this step. Any...
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    Filter recommendation

    I have a 18x36 in-ground pool with a Hayward Preflex EC-65 that needs replacing. Any suggestions for a new filter? I'm pretty new to all this. Thanks.