Features With BioBlastPlus Odor Control Technology; Biological Enzyme/Bacterial Formula That Performs In All Temperature Conditions; Accepted At All Campgrounds And Enhances Septic Tanks; Keeps Tanks Clean With A Fresh Clean Scent; Weight - 1.1; Bio/Chemical Type - Biological; Scent - Fresh Clean Scent; Tank Size - 40 gal.; Unit Volume - 16 oz. Bottle; .