The new dual Range QAC test strip takes care of all of your testing needs on one strip!
Low Range: 0, 10, 20, 40, 80
High Range: 0, 100, 200, 400, 800
Whether checking the concentration of your QAC solution or checking to ensure complete removal, the new dual range QAC test strip does it all. Chemically-treated test strips change colour to indicate sanitizer level. Strips and colour chart are packaged in a waterproof plastic vial.