Best Pond Sealer in USA Sodium Bentonite Clay for Ponds
Volcanic ash that is a 100 natural earth material that does not involve other chemicals or hazardous substances. It is naturally erosion resistant and lasts for an extended period, mainly if applied using a blanket or mixed method. Is environmentally safe, no toxic, and no chemicals or additives. Safe for fish, plants, stock, and swimming Eco-Friendly.