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String Algae, Green Water Goblins & Sludge Shifter


  • Natural Bacteria Treatment
  • Simple Easy Application
  • Each Sachet treats up to 1000 Gallons
  • Safe for Aquatic Life
  • Made in USA

12 in stock

  • Free ShippingWhen you spend over $49
  • TrackingKnow when your package will arrive
  • 30 Day ReturnsMoney back guarantee
  • Same Day DispatchWhen you order before 2pm

Next dispatch is in

About Pondh2o basket shop


String Algae Green Water Goblins & Sludge Shifter – PondH2o Sludge Shifter, Greenwater Goblins and String Algae Blanketweed Combo Pack – Pond Sludge Remover for Koi Fish Ponds and Water Garden Backyard Ponds. Helps reduce nitrate and phosphate levels, aid the break-down of bottom sludge and odors, as well as helping to make the water less murky. This formulation contains beneficial pond bacteria which are ideal for use in Koi fish ponds and water garden ponds. The pond algae remover in the Green Water treatment also contains barley straw which is another natural control method to prevent the water turning that murky shade of green.

Convenient sachets make this one of the most versatile products around with no messy measuring or dosing needed. Using natural ingredients these water soluble sachets and sludge nuggets are completely harmless to fish and pond plants. String Algae Green Water Goblins & Sludge Shifter, the different variations of bacteria in the Green Water treatment and string algae helps reduce nitrate and phosphate levels which help the break-down of algae, sludge and foul odors.

Each sachet treats up to 1,000 gallons of pond water and should be used every 1-2 weeks during the spring, summer and autumn seasons.

Visit PondH2o’s information center  to read more on New Pond Syndrome issues by clicking HERE Check out our Facebook page for latest news and information.

Additional information

Weight 6.999375 lbs



PondH2o search the globe for Koi Fish Pond & Water Garden products looking for original items to bring to the pond and water garden consumer in North America. Everything from Pond Pumps, floating plant baskets, mesh plastic baskets, Flexible Pond Liners to pond filters, decoys, solar powered Fountains  and pond decor. Check PondH2o's extensive inventory to see for yourself...
About Pondh2o basket shop


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