Why let algae stand between you & your pool? hth developed the hth super algae guard 60 to kill even the toughest algae blooms. This product has 60% strength & when used regularly, will prevent & kill green, black & yellow algae.

hth is here to help with our 4-step pool care & 3-Step care program. Our 4-step color-coded system makes it easy to find the hth pool care products you need to enjoy sparkling, blue water all season. Our complete line of hth spa products ensures that you have crystal clear water so you can relax in...