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Product DescriptionAn EPA registered diesel additive that combines a biocide with a multifunctional diesel additive to prevent bacteria, algae, and other major diesel related problems. Bioguard Plus 6 stabilizes fuel for up to 2 years. Prevents rust and corrosion. Bioguard Plus also lubricates pumps and injectors and cleans up injector deposits and disperses moisture. Treats 375 gallons of diesel fuel.