Use directly on part or in a dip tank

Kills submerged and floating aquatic weeds

These wipes also work on other types of metals including brass

then follow the directions as follows:

Bio-Blast HCB Oil & Grease Bacterial Digestant Selective Use directly on part orThis product contains a unique blend of spore forming bacillus strains that speeds up the digestion of sludge and solids in reclamation pits. This blend is able to degrade a wide variety of petroleum based oils and greases, reducing malodors and sludge, and saves money by reducing costly pump outs. For Use In: Car & truck washes Marine bilges Petroleum contaminated wastewater. Effective Against: Gasoline, diesel fuel, coal tar Motor oil, crude oil,