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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
If the colour remains the same throughout 2 days (48 hours) your water is Coliform Free
WaterWorks™ 5-Way for water quality testing reports results for Free Chlorine
Free Chlorine 0
Free Chlorine (DPD-1)
2–year warranty
WaterWorks™ Hydrogen Sulfide LR (Eco-Pack) Parameter_Peroxide If the colour remains theThe WaterWorks Hydrogen Sulfide Low Range has detection limits From 0 to 2 ppm (mg L) with a low sensitivity of 0. 3 ppm (mg L). With this test, the strip is inserted into the aqueous sample for 20 seconds with back and forth motion. After 20 seconds, the strip is removed and discarded. The remaining discolored sample is compared to the color chart specific for this water quality test. Contains 30 individually wrapped tests in our new environmentally
US$ 17.90
US$ 17.90
US$ 17.90
