Helo tfp community just a little update my pool seems to be clear at this point but when I do the fc overnight test I seem to be losing 1.2-1.5 fc lost its like I'm close but no cigar is the .2- .5 lost that big of a difference?
If you're doing the test with the FC as high as 30 ppm, then I'd lower the FC to 20 ppm and redo it. There's a percentage testing error that can have you fail the test though usually you'd get inconsistent results each time you do it. At 20 ppm FC you should get better accuracy and hopefully pass the test. Make sure you don't have a pool cover on the pool when you are doing the test and if your filter is dirty you should clean it. Check your pump and skimmer baskets and empty them if they have debris.
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