Swell Barley Straw Pond Balls 300ml tub. Barley Straw for Ponds to act as Pond Cleaner and Algae Treatment

Swell Barley Straw Pond Balls reduce the growth of green algae and help to maintain a crystal clear pond. Safe for all pond life and wildlife, this algae treatment can be added regularly to your pond and starts to work instantly by releasing natural barley straw extract into your pond water. Easy to use, Swell Barley Straw Balls are naturally safe, effective and treat up to 1,350 litres of pond water.Swell Barley Straw Pond Balls offer a natural process that combats and prevents algae growth. They have a biodegradable organic gel casing that dissolves to add the treatment to the pond in a slow-release form. Once added to your pond or pond filter, these gel balls release chemicals that help to break down both free-floating algae particles and string algae or blanketweed.Blanketweed can harm your pond pump or filter, and any green water in the pond can reduce visibility for the fish and disrupt the delicate balance of oxygen levels present. Swell Barley Straw Pond Balls are a natural alt