API Accu-Clear quickly clears cloudy aquarium water, eliminating clouds caused by dirt, algae, or bacterial bloom. Accu-Clear clumps together tiny floating particles and forms large debris that will easily be removed by your aquarium filter.Clears cloudy aquarium water fastHelps your aquarium filter functionSafe for all fish and plants in freshwater aquariumsAccu-Clear also eliminates the milky haze resulting from gravel in new aquariums.1.25 oz Treats 370 Gallons4 oz Treats 1,180 Gallons8 oz Treats 2,360 GallonsDirections: Use the API Dosing Cap on bottle. Add 1 ml per 10 gallons of aquarium water. For larger aquariums, add 5 ml per 50 gallons of water. Do not overdose. Water will clear within several hours. If second dose is necessary, wait 24 hours. Safe for use in freshwater aquariums. Safe for all fish and plants in freshwater aquariums. Keep out of reach of children, avoid contact with eyes.