Mini Barley Bales, Set of 2 Barley Straw Controls Algae Growth Naturally Keep water clear and algae-free Safe for fish, pets, plants Mini Barley Bales are sold in a set of 2; each bale treats 500 gallons For best results, place in pond early in the season Keep the water in your container water garden, small pond or aquarium clean and clear the natural way — with barley straw. Just float this barley straw-filled mesh sachet in the water and it will inhibit algae growth for up to 6 months.
During the summer, algae growth can be a huge problem in garden ponds. The great news is that there is an easy way to keep pond water clear without using expensive chemicals. Here's how. | GetBusyGardening.com