AquaChek Yellow 4-In-1 Chlorine Test Strips, 50 Strips per Bottle | 511242A Filter Cartridges & Media no auto-activation/deactivation

no auto-activation/deactivation

not mounted against side of spa

Made of high-quality durable vinyl

Natural Chemistry Coral Seas Yellow Out - 2 Lb Bottle

Turn jets on for 5 minutes (some foaming will occur)

AquaChek Yellow 4-In-1 Chlorine Test Strips, 50 Strips per Bottle | 511242A Filter Cartridges & Media no auto-activation/deactivationAquaChek Yellow 4 in 1 Test Strips Tests for Free Chlorine, Cyanuric Acid, pH and Total Alkalinity Provides Test Results in seconds! To keep your pool at its best, test at each end at least twice a week, and test your spa before each use Comes with complete instructions in multiple languages Features and Benefits: Tests for free chlorine, ph, total alkalinity and cyanuric acid Free chlorine is "good" chlorine that is still able to keep your pool fresh