API Aquarium Accu-ClearAPI 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 fast Helps your aquarium filter function Safe for all fish and plants in freshwater aquariums Accu Clear also eliminates the milky haze resulting from gravel in new aquariums. 1. 25 oz