AquaChek Yellow 4-in-1 Free Chlorine Test Strips for Pools and Spas

Have peace of mind knowing your pool water is clean, balanced and safe with AquaChek yellow pool and spa water test strips. These strips accurately measure free chlorine, pH, total alkalinity and cyanuric acid levels in your pool water. Easy to use, they provide fast results in 15 seconds or less. Use as directed for accurate results.

• No need to mix liquids or count drops
• Tests for free chlorine, pH, total alkalinity, and stabilizer; 15 seconds for accurate results
• 50 test strips
• For residential pool water use