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    Mustard algae staining walls??

    So I'm fairly sure I've got an outbreak of mustard algae. I thought it was dirt, pollen or some other organic material at first since we have a tree near the pool that just dump leaves into it. After doing some research though, it has all the characteristics of mustard algae--forms on ground...
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    Unusual test results

    This is a new one for me so I could use a little guidance here. I recently drained and filled our spa and have been trying to get the water in balance but I'm getting unusual ph readings from my test kits. The oto tests are reading around 8.0-8.2, yet I'm getting readings of around 7.2-7.5 on...
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    High chlorine usage?

    First time poster, although I've been lurking around the forum for a month or so. I've been using the TFP method and trying to dial in my daily chlorine usage on our new pool (only 3 weeks old). Taking readings daily and experiencing a consistent 50% or so loss of chlorine per day. I bring it...