A safe non-toxic treatment for stored water to keep it free from slime and algae. Key Benefits Include: Safe to use and non-toxic Prevents unpleasant odours within water butts Simple to use by adding to stored water to treat Can treat 6,400 litres of waterA safe non-toxic treatment for stored water to keep it free from slime and algae.Safe to use and non-toxic Prevents unpleasant odours within water butts Simple to use by adding to stored water to treat Can treat 6,400 litres of waterSafe, non-toxic treatment for stored water – prevents unpleasant odours and unsightly scum whilst helping to keep the water free from slime and algae.Treats 6400 litres of water. Safety Data SheetWater Butt Treatment - Safety Data Sheet