Aquachek 4-in-1 Yellow Test Strips (50 strips)

AquaChek Chlorine 4-in-1 is designed for users of chlorine in their pool or spa: it's the ideal product for testing the most critical parameters of your pool. Its easy-to-use flip-top cap allows you to dispense one test strip at a time. AquaChek Chlorine 4-in-1 is an excellent choice for those starting out with pool testing.