“AlgaeShield has been a great product! We use it on our weekly cleaning route. It is the best algaecide I have seen in my 39 years in the pool industry.”


Jeff Thomas, Owner
Swim’ N Holes
, Bartlesville, OK

“Thank you so much for bringing this product to my store!!!! Customers are coming in frustrated and fed up that nothing is working and they have spent tons of money on other products. They come back within 48 hours with pictures and very happy. Thank you again for giving us a tool to take care of our customers.”

Elizabeth Hallford
Fiesta Pools & Spas, Tulsa, OK

“We've been cleaning pools for 13 years. In that time, we've not found anything that compares to Algae Shield. It really works and customer's love it.“


—Robbie Pearson
Pearson Pools, Gainesville, Texas


 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.