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Spa and Hot Tub Test Strips - 5 Way Chemical Testing Strip Kit Tester for Chlorine & Bromine Spas & Tubs - Calibrated for Warm Water to Maximize Accuracy - FC TC/TB
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Pool and Spa Test Strips, 100pcs 7 Way Accurate Chemical Testing Strip for Hot Tub Swimming Pool Water Maintenance, Strip Detects pH, Chlorine, Bromine, Hardness, Alkalinity and More (100 Strips) : Amazon.ca:
Pool Pro - Pool and Hot Tub Test Strips - How To Read AquaChek Test strips are easy to use and read. 1. Simply dip your pool or hot tub / swim
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