Phosphate Test Kit - 20 Tests - AquaChek

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Tests: 20 Test Count

Uses: Pool and Spa

Phosphates are algae's food source. Checking phosphates regularly and keeping them low are key to keeping your pool or spa from algae outbreaks. 

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.