
Killem is a biocide used to control bacteria and fungi growth in oils and refined fuels. It is an EPA-registered product that can be used in marinas, fuel supplies, storage depots, and other users of hydrocarbon fuels. The product is available in 16 oz bottles, which can treat 1920 gallons of diesel fuel. This equates to approximately 1 oz of Killem per 120 gallons of fuel. Some users recommend dosing the tank with 1 oz of Killem and letting the vehicle sit for some time to effectively kill the fungus.
| Characteristics | Values |
|---|---|
| Product Name | FPPF 00119 KILLEM BIOCIDE |
| Bottle Size | 16 oz. |
| Treats | 1920 gallons of diesel fuel per bottle |
| Dosage | 1 oz per gallon of fuel |
| Active Ingredients | Diethylene glycol monomethyl ether (86%), 2-(Thiocyanomethylthio) benzothiazole (2.5%), Methylene bis (thiocyanate) (2.5%) |
| Benefits | Kills bacteria, fungi, algae, and slime; reduces tank corrosion, slime mats, odors, fuel oil filter deposits, injector plugging, excess carbon deposits, and exhaust smoke |
| Use | Add to fuel storage tank prior to filling to ensure good mixing |
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What You'll Learn

Killem Biocide treats 1920 gallons of diesel fuel per 16 oz bottle
Killem Biocide is a biocide used to treat diesel fuel. It is an EPA-registered product that controls the growth of bacteria and fungi in oils and refined fuels, including gasoline. It is approved for use in California.
Killem Biocide is available in a 16 oz. bottle that treats 1920 gallons of diesel fuel. This works out to approximately one ounce of Killem treating 120 gallons of fuel.
The product is very concentrated, and users have reported that it is effective at killing algae and bacteria in fuel tanks, with one customer noting that it treated up to 1920 gallons per bottle. Killem Biocide also helps clean tanks against scum, with one user reporting that their truck ran smoother after treatment.
To use Killem Biocide, it is recommended to dose the tank with 1 oz of the product and let the car sit for a while to kill the fungus. Once dead, there will be more black specks in the pre-filter, which can then be removed and shaken out.
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1 oz of Killem treats 120 gallons of fuel
Killem is a biocide used to treat fuel. It is an EPA-registered product that controls the growth of bacteria and fungi in refined fuels, including gasoline. It is also used to control microorganisms in fuel oil storage tanks, fuel oil, and other refined or partially refined oils.
The amount of Killem to be added to fuel depends on the quantity of fuel being treated. A 16 oz. bottle treats 1920 gallons of diesel fuel. Therefore, 1 oz of Killem treats 120 gallons of fuel.
To use Killem, it is recommended to add it to the fuel storage tank before filling it up to ensure proper mixing. Some users suggest dosing the tank with 1 oz of Killem and letting the vehicle sit for a while to allow the product to take effect. This may vary depending on the severity of the issue and the type of fuel being treated.
It is important to note that Killem is a concentrated product, and proper dosage is crucial to ensure its effectiveness and avoid any potential issues. Always refer to the manufacturer's instructions and recommendations for the appropriate dosage and application guidelines.
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Killem is EPA-registered to control bacteria and fungi growth
Killem is a biocide product used to treat fuel and control bacteria and fungi growth. It is EPA-registered and can be used in marinas, diesel fuel storage depots, generators, and other users of hydrocarbon fuels.
Killem is available in 16 oz bottles, which can treat 1920 gallons of diesel fuel. This equates to approximately one ounce of Killem per 120 gallons of fuel. Some users recommend dosing your tank with one ounce of Killem and letting the car sit for a while to allow the product to kill the fungus.
Killem is effective at killing algae, bacteria, and slime in fuel tanks, and customers report positive experiences with the product. It is also inexpensive, easy to use, and improves fuel efficiency.
It is important to note that Killem is a toxic chemical and should be handled with care. It is recommended to wear protective gear and store the product in a sealed plastic bag to prevent leakage.
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Killem is effective at killing algae and bacteria in fuel tanks
Killem is a biocide that is effective at killing algae and bacteria in fuel tanks. It is a super-concentrated product that can be used to treat diesel fuel. The active ingredients in Killem are Diethylene glycol monomethyl ether (86%), 2-(Thiocyanomethylthio) benzothiazole (2.5%), and Methylene bis (thiocyanate) (2.5%). The product is EPA-registered and can be used to control bacteria and fungi growth in all oils and refined fuels, including gasoline.
Killem is typically sold in 16 oz bottles, which can treat up to 1920 gallons of diesel fuel. This equates to one ounce of Killem treating 120 gallons of fuel. For smaller quantities of fuel, the dosage can be calculated as follows: 2.5 oz to 100 gal = 5 US tablespoons, 1.25 oz to 50 gal = 2.5 US tablespoons, 0.625 oz to 25 gal = 3.75 US teaspoons, 0.312 oz to 12 gal = 1.8 teaspoons, and 0.156 oz to 6 gal = 1 teaspoon.
Users of Killem have reported positive results in killing algae and bacteria in fuel tanks. One user noted that it treated up to 1920 gallons of fuel per bottle, and another mentioned that their truck ran smoother after treatment. Killem is also reported to offer good value for money and improve fuel efficiency.
To use Killem effectively, it is recommended to dose the tank with 1 oz of the product and let the vehicle sit for a while. This allows the Killem to kill the fungus, which can then be removed from the pre-filter. It is also suggested to remove the tank screen for inspection, as the fungus can cling to it and restrict fuel flow.
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Killem can be used in marinas, fuel supplies, and storage depots
Killem is a biocide product used to control the growth of bacteria and fungi in oils and refined fuels. It is particularly useful in treating microorganisms in fuel oil storage tanks, fuel oil, and other refined or partially refined oils. Killem can effectively reduce tank corrosion, slime mats, odours, fuel oil filter deposits, injector plugging, and carbon deposits, among other issues.
Killem is a versatile product that can be used in various settings, including marinas, fuel supplies, and storage depots. In marinas, Killem can be applied to treat diesel fuel stored in boats, preventing bacterial and fungal growth during periods of inactivity. This application ensures that boat engines remain functional and reliable, even when boats are docked for extended periods.
For fuel supplies, Killem can be added to large fuel storage tanks to maintain fuel quality and prevent contamination. By inhibiting the growth of microorganisms, Killem helps to extend the shelf life of the fuel and ensures that it remains stable and efficient when used. This application is particularly beneficial for fuel suppliers and distributors, as it guarantees the quality of their product and reduces the risk of fuel-related issues for their customers.
In storage depots, Killem can be utilised to treat both diesel and gasoline fuels. This treatment is especially relevant for depots that store fuels for extended periods, as it prevents the growth of bacteria and fungi that can occur over time, especially in humid conditions or when contamination is present. By using Killem, storage depots can maintain the integrity of their fuel stocks and reduce the likelihood of issues arising during transportation or end-use.
Killem is a powerful tool in the management of fuel-related issues, offering a versatile solution for marinas, fuel suppliers, and storage depots. By controlling microbial growth and reducing associated problems, Killem helps to optimise the performance and longevity of engines and machinery that rely on these fuels.
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Frequently asked questions
It is recommended to add 1 ounce of Killem to 120 gallons of fuel.
Killem is a biocide that kills bacteria, fungi, and slime in fuel tanks. It also helps to reduce tank corrosion, fuel odours, and injector plugging.
It is recommended to treat your fuel with Killem every time you fill up your fuel tank to prevent bacteria and fungi growth.
Yes, Killem is an EPA-registered product, meaning it has been evaluated and approved for safety by the US Environmental Protection Agency.
Killem Fuel Treatment can be purchased online from websites such as Amazon and Kennedy Diesel, as well as from marine supply stores and auto parts stores.











































