Zodiac Nature2 W29300 Monopersulfate MSP pH. Alkalinity 100 Test Strips 2 Pack

The Zodiac Nature2 W29300 test strips test for Monopersulfate, pH Balance, Total Alkalinity. All you have to do is dip the test strip in your water sample and then compare the color of the pad on the strip to the color chart on the bottle. There are 50 test strips per bottle.