Re: Does 33 degree Pool Water affect testing results?
It will slow down the chemical reactions so you may need to wait longer, but it would just be better to warm up the water closer to room temperature before doing the test. The CYA test is most affected by temperature; the others not so much. Technically the pH will be higher at lower temperature, all else equal, so you generally want to measure pH at the actual pool water temperature (so that's an exception to the warm-up rule).
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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