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Chemically treated paper strips chane to indicate sanitizer level.
Strips and color chart are packaged in a waterproof plastic vial.
Strips are available for the factors below...
chlorine 10,50,100,200
chlorine 10,50,100,250,500,800
iodine 12,25,50,100
QAC 50,100,200,400
QAC 0,100,200,300,400,500
QAC 200,400,600,1000,1500
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