AquaChek Pro II Test Strips- Hardness, Stabilizer (Cyanuric Acid), Total Dissolved Solids (TDS)

Tests for Cyanuric Acid, Total Dissolved Solids, High and Low Range Hardness. Just dip an AquaChek Pro II strip in your pool or spa water for two second and remove it immediately. You get test results in seconds! Comes with complete instructions.

25 strips per bottle.