Water Quality Test Kit Color Card R028A PDF
2015-10-2 · TEST PROCEDURE: Dip one test strip into a 50ml (2oz) water sample for 5 seconds with a constant, gentle back and forth motion. Remove the strip and shake once, briskly, to remove excess water. Wait 25 seconds, then match to the color chart above. Complete color matching within 10 seconds. PPM 0 250* 500 (mg/L) Copper (Cu+1/Cu+2) TEST PROCEDURE:
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