Antimicrobial - algicide agent for tanks, fuel and oil systems. Usage: Use in aviation fuel, diesel, fuel oil and lubricants as a preservative against microorganisms and, as a biocide to kill microorganisms in already contaminated fuels or oils.Dilution: As a preservative in uncontaminated oils or fuels, 300 ppm (0.3l per 1000 l.) As a biocide in contaminated oils or fuels, 600 ppm (0.6lper 1000 l.) As a biocide in heavily contaminated oils or fuels: 2000 ppm (2 l per 1000 l).