AquaChek One-Minute Phosphate Test Kit, 20 Strips | 562227 C2303 Weekly Maintenance: To keep pool

Weekly Maintenance: To keep pool water clear and clean

Ease of use

Contains GLI's patented mesh material blend

and its trendy design will have you looking fly all summer long

Safely removes calcium scale deposits

AquaChek One-Minute Phosphate Test Kit, 20 Strips | 562227 C2303 Weekly Maintenance: To keep poolAquaChek One Minute Phosphate Test Kit, 20 tests bottle One step, one minute phosphate test. Even low levels of phosphate can lead to algae in your pool or spa. This test uses powder pillows and vials, which offer increased sensitivity at the lower ranges. The powder pillows are less susceptible to damage by heat and humidity and offer a 5 year shelf life. Features and Benefits: Phosphate: 0 1,000 ppb Tests for phosphates in pool water in one minute