Sparkle: The ultimate self contained water feature cleaner. This new and easy to use product is simply brilliant at tackling slime, algae and sludge build up on many types of water features. Sparkle works like magic, clearing many ornaments overnight.
sparkle needs to be used about once every two weeks.
The Large sparkle will treat 135 litres 

THIS PRODUCT CANNOT BE USED IN FISH OR WILDLIFE PONDS.
THIS PRODUCT IS FOR WATERCOURSES OR WATER FEATURES CONTAINING NO LIVESTOCK