Hy-Clor Magnesium Test Strips

Hy-Clor Magnesium test strips provide an easy and convenient way to test magnesium in your spa or pool water. Having the correct magnesium levels in your pool improves water quality and helps clarify the water, making it feel softer and smoother. Note, results in 10 seconds, is accurate for up to 30 seconds. Shake once to remove excess water. *Magnesium Hardness expressed as calcium carbonate 25 x test strips Compatible with the Hy-Clor Water Test App.