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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
NSF and ASTM certified
Durable aluminum back: Rugged
2" diameter for high flow — The larger bore increases water throughput
Rapid clarification minimizes startup cloudiness so you can swim sooner
AquaChek Pro II Pool and Spa Test Strips for Easy Water Testing multiport NSF and ASTM certifiedAquaChek Pro II Pool and Spa Test Strips for Easy Water Testing Intro AquaChek Pro II Pool and Spa Test Strips simplify water management with professional grade accuracy in a compact at home kit. Each bottle contains 25 high precision strips that measure Total Hardness, Cyanuric Acid, and Total Dissolved Solids (TDS). An on label color chart lets you translate color changes into precise dosing decisions in minutes, reducing guesswork and waste. List