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Green Clean Granular Algaecide









Trust GreenClean to immediately kill algae in any water feature around your home including ponds containing fish, plants and aquatic life. GreenClean is an EPA registered, organic algaecide, so you can feel good about what is in your water.



Green Clean Granular is a non copper based granular algaecide that works quickly to control string algae and other types of pond algae. GreenClean is an algae killer that works on contact to kill algae and help keep ponds clean all year long.







Green Clean Granular 2lb

~Price $32.99





  • Works on Contact
  • Controls String Algae in Ponds and on Waterfalls
  • Eco-Friendly Chemistry & OMRI Listed
  • Copper Alternative


How to Use

Apply GreenClean to affected areas and watch it work as it makes contact with the algae, GreenClean releases oxygen into the water as it biodegrades.

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!


Green Clean Algaecide can be used for pond algae control in any water feature such as ponds, water gardens, ornamental waterfalls, fountains and birdbaths. It is a non-hazardous algae killer that is safe for fish, birds and pets once added to the water.

Once added to water the dry granules lose their toxicity.

Note: Be sure any loose granules that did not make it into the pond or water are collected and properly disposed of.



Pond Size Curative Application Rate
50 gal 1 Tbs
100 gal 1.5 Tbs
500 gal 0.5 Cup
1,000 gal 1 Cup
5,000 gal 5 Cups
10,000 gal 10 Cups

  • 2 lb containers will curatively control algae in 1,000 gallon pond for an entire season.
  • 8 lb containers will curatively control algae in 4,000 gallon pond for an entire season.
  • 20 lb containers are best for larger pond algae control applications.

For commercial algae control applications, try GreenCleanPRO


Green Clean Algaecide begins working to control algae within 60 seconds of application, results will be visual in 24-48 hours. As with any algaecide application, we recommend a follow up dose of our Pond Keeper beneficial bacteria to help degrade the resulting dead algae. Pond Keeper should not be added sooner than 48 hours after GreenClean or any other algaecide application.

For a Fast, Reliable Algae Killer, Get. . . GreenClean Granular Algaecide


EPA Reg. No. 70299-4

EPA Est. No. 58996-MO-1


Green Clean Granular Granular 8 lb

~Price $69.00




Green Clean Granular Granular 20 lbs

~Price $119.00





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