The Insta-TEST® 6 Plus pool & spa strip measures Free Chlorine, Bromine, Total Alkalinity, pH, Cyanuric Acid, and Total Hardness. This test strip is a dip-n-read strip with instant results.
 
Each bottle includes 50 test strips packaged in a waterproof Pop-top bottle with a hinged cap.
 
The bottle has a molded desiccant liner, which protects the strips from moisture and UV light. The Insta-TEST® 6 Plus strip is ideal for spa owners who need the most critical tests for perfect water balance.