Natural Pond Filter Boost Balls
The Gardening Naturally pond filter boost balls are the perfect natural way to keep your pond filters clean and clear. It adds good pond bacteria and nutrients to feed and boost biological filters as well as helping to prevent unfriendly bacteria.
The pond filter boost balls are completely safe for pondlife, wildlife and pets.
It is recommended to use the pond filter boost balls at least 3 times a year or more if there is a sever issue with bad bacteria.
1 pot can treat up to 1250 litres (275 gallons) and is easy and simple to use. Just add 100ml, including liquid (approx. 1/3 of the container). This will treat 420 litres (92 gallons) and pond water.