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This thermometer floats on the water surface
allowing the cleaner to operate within manufacturer-recommended specifications
The Pentair System 3 cartridge design allows for straightforward replacement during routine filter service
Ideal for Backyard Play and Outdoor Events
Insta-TEST PRO Phosphate Test Strips High Range First Choice This thermometer floats on theInsta TEST PRO Phosphate High Range Test Strips are designed to measure elevated phosphate levels in pool and spa water where algae pressure, recurring cloudiness, or chlorine demand issues are present. These professional grade strips provide fast, reliable readings at higher concentrations commonly found in problem pools or pools that have not been treated for phosphates. Phosphates act as a primary nutrient source for algae. When levels rise
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