Insta-TEST PRO Phosphate Test Strips High Range Valve Prevents overheating or excessively cold

Prevents overheating or excessively cold water

Powerful Oxidizing Action – Destroys chloramines

For pools that need maximum clarity

Tool-Free Installation – Replaces original clips quickly with no special tools required

Professional pool technicians often replace cleaner wings during:

Insta-TEST PRO Phosphate Test Strips High Range Valve Prevents overheating or excessively coldInsta 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