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BioSafe GreenClean Granular Algaecide - String Algae Control

  • 3288

Kill. Algae. Fast.

Through the power of oxidation GreenClean Granular Algaecide breaks down algae cells on contact, you can see it working! Its unique organic chemistry immediately begins fighting algae blooms and releasing vital oxygen into the water as it biodegrades. It can be used as a curative or preventative treatment in any water feature, including those that contain fish, plants and other aquatic life.  Formulated without the use of harsh chemicals or chlorine you are ensured there won’t be any  negative effects to the aquatic ecosystem.

Works on Contact

Controls String Algae in Ponds and on Waterfalls

Eco-Friendly Chemistry & OMRI Listed

Copper Alternative

Tips: Check pH levels before applying. pH level should be between 6.8 – 7.8. Apply early in the morning. Turn off circulation for 10- 20 minutes. Apply to affected areas. Skim dead algae from the water’s surface to help prevent further growth!


GreenClean Granular Algaecide is effective and offers immediate results when eliminating blue, green and string-algae. With an environmentally sound chlorine, copper and phosphate-free  formula you can even have confidence using GreenClean Granular Algaecide in water features without circulation systems.

  • USDA National Organic Program compliant
  • EPA approved
  • Chlorine, copper and phosphate-free
  • Safe for use around pets, birds, fish and aquatic plants


Effective as either a curative or preventative algaecide, GreenClean Granular Algaecide is  suggested to be used at the first sign of growth. For best results, apply in the morning hours of a calm sunny day when water temperatures are warm. Sunlight and higher temperatures will enhance GreenClean Granular activity.


Use GreenClean Granular Algaecide with confidence in water gardens, ornamental ponds, fountains, irrigation ponds and other water features.

3002-2.5 2.5 lbs.
Treats up to 5000 Gallons
3002-8 8 lbs.
Treats up to 16,000 Gallons
3002-20 20lbs.
Treats up to 40,000 Gallons

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