BioGuard Algae Complete is a highly effective fast-acting swimming pool algae destroyer. This product kills all types of pool algae:  black algae, green algae, and mustard algae. BioGuard complete is formulated to complement most swimming pool sanitizers. This product is effective and non-staining when used as directed. When used as directed you will see results in 24 hours. BioGuard Algae Complete is non-foaming and can be used in pools with attached spas or jetted returns.

To Prevent Pool Algae

-Initially apply 8 fluid ounces of this product per 10,000 gallons of pool water with pump and filter operating

-Thereafter, for weekly application intervals, add 1.5 fluid ounces per 10,000 gallons of pool water

-For two week application intervals, add 3 fluid ounces per 10,000 gallons of pool water every other week

-Apply more often if pool volume is diluted by heavy rain, frequent backwashing or partial drain/refill.

-Wait at least 15 minutes after application before entering pool

Treatment of Visible Algae

-Apply a BioGuard oxidizer per label directions

-Allow to circulate for 1 hour

-With pump and filter operating, apply 16 fluid ounces of this product per 10,000 gallons of pool water directly to the pool water in the areas of heaviest algae growth

-Continuously circulate pool water for 24 hours

-The next day, thoroughly brush pool surfaces

-Prior to re-entry, test chlorine level. Do not enter pool until chlorine level is between 1-4ppm

-In cases of persistent algae, repeat brushing and product application after 2-4 days

Prior to Application

-Adjust pH between 7.2 – 7.6

-Establish and maintain proper chlorine or bromine levels. In chlorine-treated pools, add stabilizer to establish a minimum level of 30-40ppm of cyanuric acid to reduce the degrading effects of sunlight on chlorine residual

-Vacuum leaves and any other foreign debris from the pool

-Brush visible algae thoroughly form the pool’s surface with a surface-compatible brush