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  1. K

    need help - CYA dropped after heavy rain

    I'm on day 18 of my SLAM and we got 2 days of heavy rain - I drained off 3"s. Tomorrow we have another big rain coming. I've been losing chlorine too fast, so I tested CYA and it's no longer at 40 like I thought (it was actually about 35, but I rounded up). I can still see the dot when it's to...
  2. K

    Help! Build up that won't come off during SLAM - what to do?

    (Reposted into new thread due to no response) I have a question about my current SLAM. I'm on Day 11 and still losing chlorine - I believe due to a build up on the walls that I just can't get off. I have manually skimmed daily and brushed the entire pool multiple times daily. (in addition to...
  3. K

    What to do first?

    I need help with next steps. (i.e., do I add chlorine first, or lower pH?) I'm new to TFP and just now learning the basics - thanks to Leslie's chlorine tablets (high CYA). I finally drained/filled my pool enough to get the CYA down from over 200+ to around 50. Now I need to know what to do...