Hayward 175 sq ft Star Clear Plus 2" Pool Filter


Test for:  Cyanuric Acid, Total Dissolved Solids, High and Low Range Hardness

AquaChek Pro II is the perfect supplement to AquaChek® Pro.  Test for 3 parameters that do not need to be tested weekly – cyanuric acid, total dissolved solids (TDS) and total hardness.  (See descriptions of the individual products for more information.)

Get 4 important test results in just seconds!  Dip an AquaChek Pro II strip in your pool or spa water for two seconds and remove it immediately.

For a clean and healthy pool, test the water at each end a minimum of twice a week!

Tests for 4 important chemistries in seconds: Cyanuric Acid, Total Dissolved Solids, High Range Hardness, and Low Range Hardness.