BIOCIDE PERFORMANCE ADDITIVE The best diesel fuel biocide performance additive, BIO-BLAST kills microbial slime caused by bacteria and fungi that plug filters and cause you unexpected breakdowns. PERFORMANCE FEATURES Kills Algae, Bacteria and Fungi Protects Fuel Lines and Filters from Plugging Protects Fuel and Water Phases from Microbial Slime Eliminate microbial slime in your diesel fuel system! ULSD FORMULA E-ZOIL performance additives are formulated for today's Ultra Low Sulfur Diesel. They meet all emission standards and provide added protection for your valuable diesel-powered equipment. All E-ZOIL diesel fuel additives are safe for use with biodiesel fuel. DIRECTIONS For Shock Treatment:Use 16 ounces to every 640 gallons of diesel fuel. For Regular Preventative Maintenance:Use 16 ounces to every 1,280 gallons of diesel fuel. For best results, add additive before filling tank. SDS