AquaChek High Range Chlorine Test Strips stain tester The swing/Check design provides dependable

The swing/Check design provides dependable backflow prevention

Underwater application: Seals leaks without draining the pool

and hair before reaching the impeller

Brush any undissolved granules to disperse

Designed for real-world use

AquaChek High Range Chlorine Test Strips stain tester The swing/Check design provides dependableAquaChek High Range Chlorine Test Strips give pool owners an easy and effective way to measure the amount of free chlorine in their pool, which keeps your pool protected against bacteria and other organic threats. Free chlorine also can cause skin and eye irritation for swimmers if too high, so you should keep it in the 1 3 ppm range. These strips give you accurate results in about 15 seconds, making any adjustments easy. Best of all, High Range