0.5 is inside the error margin of the 10ml sample test - 4.5 and 5 are the same.
0.5 is inside the error margin of the 10ml sample test - 4.5 and 5 are the same.
22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6
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