Test Strips
High-quality Hach chemistry in an easy-to-use test strip. Simply dip the strip into the sample and compare the color to the colors on the bottle to determine the reading. The test strips are accurate, portable and inexpensive. Applications include potable water, waste water, swimming pools and spas, industrial process applications and more. Available parameters include chlorine, nitrate and nitrite, water hardness, alkalinity, chloride, ammonium and more. Hach offers a high-quality 5-in-1 test strip that measures free chlorine, total chlorine, hardness, alkalinity, and pH—all in one strip.