SAFETY CHECK THE STRENGTH OF DILUTED BLEACH Activate™ High Level Chlorine Test Strips allow chlorine testing at higher ranges – 1,000, 2,500, 5,000, 7,500, and 10,000 ppm. Simple 30-second test indicates parts per million of available chlorine for disinfecting purposes. Desiccant-lined vial with ergonomically-designed snap closure for easy use. 50 test strips per vial.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.