Murky ponds are unattractive and prevent viewing of the fish suspended particles also effect fish and plant health because they clog delicate gill membranes in fish and cut out light to submerged aquatic plants clear pond clumps together the fine suspended particles and quickly clears dirty cloudy water and aids filtration250ml treats 5682 ltr 1250 gals1 ltr treats 22 730 ltr 4500 gals