Algae Shield® for Swimming Pools
- One dose a month to Prevent Algae.  Guaranteed!

Earth Science Labs Algae Shield for Swimming Pools prevent green & blue-green algae in swimming pools or YOUR MONEY BACK! 

Liquid product  that you just pour into your pool.  Comparable to more expensive brands like BioGuard®,  Leisuretime®, and other major brands. Compared to "bargain" brands, Algae Shield is the Superior product.

Just one monthly dose prevents algae growth.  GUARANTEED! Or your money back.

Great for aboveground & inground pools. 

Use at the rate of 1 oz. per about 1,000 gallons per month.  DO NOT USE MORE THAN ONE TIME PER MONTH!

One bottle of Algae Shield treats up to 32,000 gallons. 

To treat visible algae follow these steps:
1.  Balance the water (pH, total alkalinity & calcium hardness)
2.  Use 1 oz. per 1,000 gallons of water
3.  Shock the pool with chlorine (standard dose: 1 lb. PoolBoss Shock per 10,000 gallons)
4.  Filter the pool continuously for 48 hours.
5.  DO NOT ADD ANOTHER DOSE OF ALGAE SHIELD FOR 30 DAYS 

DO NOT USE WITH BAQUACIL®, SOFTSWIM® OR OTHER BIGUANIDE PRODUCTS. 

DO NOT USE WITH PRISTINE BLUE® OR SIMILAR PRODUCTS.

DO NOT USE WITH IONIZERS SUCH AS NATURE2 OR POOL FROG.

Compatible with CHLORINE OR BROMINE pool chemistry ONLY.

Available in 32 oz. bottles.

Compare at up to $39.99
OUR PRICE ONLY: $34.99 each