BioGuard 5 Way Test Strips
ioGuard 5-way water test strips for pool and spa. These strips test for: Free Chlorine, Total Bromine, pH, Total Alkalinity, and Total Hardness. Contains 50 strips. Dip and read strips test quickly for chlorine or bromine residual, pH, total alkalinity and calcium hardness. An easy and popular testing method for backyard pools and spas.