Applied Biochemists Wintertrine helps to keep your pool algae-free all winter long. Don't let algae ruin your spring opening, apply this great algaecide before closing and enjoy a clearer pool in the spring.
1/2 gallon per 20,000 gallons of water.
1 gallon per 20,000 gallons of water.
Shake the container well and pour amount of this product around the entire pool perimeter. Continue circulation of pool water for 6 hours to ensure proper distribution of this product.