AquaChek/Hach Test Strips Red 4-in-1 Total Bromine 50 ct # 521252A

Ideal for customers who use bromine as a sanitizer in their spa or pool. Includes a 4th test for Total Hardness as low levels can cause significant damage to metal pipes & fixtures, as well as plaster. Get test results for 4 important chemistries in seconds: Total Bromine, pH, Total Alkalinity, and Total Hardness. Works in spas and pools equipped with sodium bromide generators.