There are 50 Test Strips in the container which can be used for hot tubs swimming pools paddling pools and spas. This error message could appear if the cap on the test strip container was not closed tightly. The test strips may have been damaged due to improper storage or handling. The Insta-TEST ® 3 Plus pool & spa strip measures Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Alkalinity 0-240 ppm, and pH 6.2-9.0. The bottle has a molded desiccant liner, which protects the strips from moisture and UV light. The Insta-TEST ® 3 Plus strip is perfect for basic water testing of the most important test factors.

Accu-Chek Instant Test Strips | Blood Glucose Meter Testing Accu-Chek Instant Test Strips | Blood Glucose Meter Testing

The Insta Test strip is a dip-n-read strip with instant results. Simply immerse strip for 2 seconds. Remove with pads face up. Shake once to remove excess water. Read immediately. Confused about your hot tub water chemistry? Our guides answer the most Frequently Asked Questions! Insta 3 Plus test strips by LaMotte - use these to test levels of Chlorine, Bromine, Alkalinity and pH in hot tub water - spa water - pool water & swim spa water.They will give you an indication of the free chlorine or bromine available in your spa water and if you need to increase or decrease your pH with pH plus or pH minus.