Aqua Check Phosphate Test – 20 Tests
One Minute Phosphate 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
Since 2021 many medium to smaller sized cities have started treating city water with phosphates, sometimes as high as 3,500 PPB.
Phosphates in hot tub water water should be under 300 PPB.
Phosphates in hot tub water are food for algae and algae makes it difficult to keep your free bromine/chlorine levels in range. 562227 UPC 190944022272
Phosphate reducers available here: Free and Klear
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