For use in ornamental ponds and gardens.  Item #01204 (Gallon)  Item #32205 (32 oz.)  Item #16206 (16 oz.)  FWF  contains live beneficial bacteria to keep ponds clean, clear and healthy throughout the long winter months. It prepares your pond for Winter by aiding nature in breaking down fallen leaves, sediment fishwaste and excess food that has built up during Spring and Summer to keep healthy through the long Winter months.