Hach 512138 AquaChek(R) TruTest(R) Test Strip; Free Chlorine/Bromine/pH/Alkalinity Testing; 100 Strips/Bottle
Maintain your pool and spa water with AquaChek test strips. The strips test for Total Bromine, pH, and Total Alkalinity. These refill test strips are for use with the red AquaChek TruTest Spa Digital Reader.
