In what order do you do your water tests? Even with rinsing the comparator tube, will a preceding tests taint the results of the previous?
Curious.
In what order do you do your water tests? Even with rinsing the comparator tube, will a preceding tests taint the results of the previous?
Curious.
25,750 ga 18x36 Rectangle IG Vinyl liner; Hayward 250 sand filter; 1.5 hp pump. PF=4.4
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