Activated bentonite clay, is a Bentonite clay activated to increase the Cation ion exchange ratio. The increase in CEC helps to store more fertilizer minerals and release them slowly. More CEC also means that it can coagulate proteins from fermented liquids to give you glassy appearance and a stable product. Key Features Very high CEC, hence ideal for use as manure additive to ensure proper nutrient utilization. Ideal additive to vermicompost as it helps to save nutrients Good additive to wines, as it helps to filter and coagulate out the proteins to give you glassy fermented liquid. Can be added to soil to increase soils Cation exchange capacity.