AquaChek Silver 7-in-1 Test Strips, 100/Pack | 551236 Clarifiers & Enzymes Replace this lid when the

Replace this lid when the original shows cracking

Before threading the cap or extension back onto your Rainbow feeder

This is recommended because of the impact on filter pressure

apply to the backing and press firmly into place

or for river rafting

AquaChek Silver 7-in-1 Test Strips, 100/Pack | 551236 Clarifiers & Enzymes Replace this lid when theAquaChek Silver 7 in 1 Test Strips, 100 strips. Tests for: Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity, Stabilizer (Cyanuric Acid) Silver 7 in 1 is our most comprehensive test strip. Trusted by service professionals, this test strip tests for seven key parameters in seconds. Test Ranges: Total Hardness: 0 1,000 ppm Total Chlorine: 0 10 ppm Total Bromine: 0 20 ppm Free Chlorine: 0 20 ppm pH: 6. 2 8. 4 Total