Blagdon Barley Straw Pond Bale

fish and plant friendly, pet and wildlife safe the natural way to keep green water and algae at bay,it is recommended that the barley straw bales are placed in your pond in early spring so that they can take effect when the algae begin to grow,safe and 100 natural solution for the treatment of string algae, green water and blanket weed in ponds,the treatment works best when the water temperature is 10c or higher when the algae growing,this treatment will take 2-6 weeks for full effectiveness as it relies on the natural bacterial breakdown of the barley straw to enable it to work