Insta-TEST PRO Phosphate Test Strips High Range First Choice Automatic Pool Water Level Control

Automatic Pool Water Level Control Valve – Maintains proper pool water level by allowing water in when levels drop

allowing the cleaner to operate within manufacturer-recommended specifications

Ideal for Backyard Play and Outdoor Events

The Pentair System 3 cartridge design allows for straightforward replacement during routine filter service

Includes 4 white skirt brackets for compatible 2-wheel and 4-wheel Poolvergnuegen cleaners

Insta-TEST PRO Phosphate Test Strips High Range First Choice Automatic Pool Water Level ControlInsta 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