Re: FAS-DPD and Speedstir -- strange results
Have you tried slowing down adding the drops to the SpeedStir so that you take as long for the two tests? Also, if you let the SpeedStir water set still after the test, does it turn pink again after a minute or so? I'm just stumped.
15.5'x32' rectangle 16K gal IG concrete pool; 12.5% chlorinating liquid by hand; Jandy CL340 cartridge filter; Pentair Intelliflo VF pump; 8hrs; Taylor K-2006 and TFTestkits TF-100; utility water; summer: automatic; winter: automatic; ; PF:7.5
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