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    Chalky Residue

    I'm trying to figure out a situation I haven't had before. I'll briefly describe and if someone has more questions before you can give a good answer just ask. I've been SLAMMING my pool since Friday Afternoon - we were starting to eat through about 6 points of chlorine every day and had some...
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    Seasonal Pool fill

    This is our 3rd season using TFP methods. I've learned a lot and have been pleased with the results. I'm just ready to set up our pool for the season and one question: When I do the initial fill, is it necessary to take the chlorine to SLAM levels and do an overnight loss test? Or do I just aim...
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    Eating too much Chlorine

    Here's my numbers at sunset: CYA = 40 FC = 16 CC = 1.5 PH = 8 (or more) TA = 250 Here's the problem: Water is as crystal clear. But when I sweep there's the faintest "puff" of green, just like a little dust that swirls around the vacuum end. And I can't get rid of it. For 4 days I've been...
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    Water not clearing

    I have an above ground Intex Pool - 18ft x 48in with Sand Filter. This is our 2nd season. Last year we tried to manage the pool with pool store chemicals. This year I am trying the methods on this site. We fill the pool with well water. We know it has iron. Here is this year's history: Filled...