PAA-1000 measures the concentration of PAA from 0-1000 with match points at 0-50-100-250-500-1000 ppm. Packed 50 strips in a flip-top vial. 6 vials per box.
Dip strip into test solution. Remove and shake off excess. Match at 5 seconds to color chart for accurate measurement.
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Bag of 20 large black vial clips
$29.11 (PACK/20)