Pro II Test Strips

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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 b e 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. Show more