Most algae products on the market are made for use after an ugly outbreak of algae occurs. Algae Shield® actually prevents ugly green water with just one ounce per 1,000 gallons, once a month.

Algae Shield®'s special formula evenly disperses so every ounce of your water is protected against algae. If there's no algae present in the water, Algae Shield® stands guard. When algae spores enter the water, Algae Shield® is ready! It kills algae before it multiplies and becomes an unsightly mess in your pool.

Algae Shield® comes with an algae free guarantee . . . so don't wait for algae to invade. Prevent it with Algae Shield®!