AlgaeShield is treatment and prevention. It kills existing algae and defends your pool against algae for up to 30 days. Use AlgaeShield each month for a summer of clean, crystal clear water. Close your pool with AlgaeShield for an easier spring opening.
Why wait for algae to invade your pool?
AlgaeShield treats
and prevents
algae. Guaranteed!
Effectively Kills & Prevents Algae
*Kills existing algae and prevents regrowth for up to 30 days. If a pool develops algae while using AlgaeShield as directed, Earth Science Labs will refund the purchase price. Proof of purchase required. Contact manufacturer for details.