Aquascape Lake Flocculant Clarifier quickly clears stubborn clouding water caused by suspended particles in lakes and large ponds. This specially-formulated treatment will effectively reduce maintenance and is optimized to clarify a variety of suspended particles, including clay, mineral material, and sediment. This treatment is for lake and large pond use only and may cause issues, such as gill-stress or fish-loss, in smaller enclosed systems or systems with heavy fish loads. Safe for fish when loading is of natural proportions. Safe for plants and animals when used as directed.