The color of fuel indicates the fuels age or bacteria growth. The dark color is coming from one or the other. To fix old diesel remove the water first. Less than 50 gallons of fuel consider Mr Funnel to remove the water. Once the water is gone he can then filter out the solids. BUT… Read more »
Tag: diesel fuel maintenance
Fuel Polishing for Diesel Fuel: Remove Contamination and Protect Engines
Fuel polishing is the process used to clean diesel fuel stored in tanks by removing water, sediment, and microbial contamination. Over time, stored fuel can accumulate contaminants if it isn’t tested and treated regularly. Common Issues in Stored Diesel Fuel Stored fuel can develop: Any of these contaminants can lead to engine failure at the… Read more »
Prevent Microbial Growth in Your Diesel Fuel Tank
Technically, algae cannot grow inside a diesel fuel tank because it requires sunlight to survive. However, other microbes—like mold, bacteria, and fungus—can thrive in diesel fuel under the right conditions, causing serious problems if left unchecked. How Microbes Grow in Diesel Fuel Microbes need water and nutrients to survive. A diesel tank with free water… Read more »
Why Testing for Water in Diesel Fuel is Essential
No matter how carefully you handle diesel fuel, there’s almost always some water present—often delivered directly in the fuel. The key is keeping water levels as low as possible, and testing your diesel fuel regularly is the best way to do it. 1. Prevent Engine Failure High water content in diesel fuel can lead to… Read more »

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