AquaChek Silver 7-Way offers seven important tests on a single strip. Test for:  cyanuric acid, free chlorine, pH, alkalinity, bromine, total chlorine and hardness.  Silver now features an improved test for Cyanuric Acid. It's faster and easier to use than liquid test kits. This strip allows you to test Cyanuric Acid up to 300 ppm (mg/L), a higher level than any available liquid kits! This Cyanuric Acid test works in pH between 7.0 and 8.4, and in Total Alkalinity at or below 240 ppm. It offers enhanced colors for greater color distinction and easier readability.

100 strips per bottle.

Listing is for 30 bottles of 100 tests.  Expiration date is 2025 or later.  These are in stock and shipping is fast and free.  Thank you!