Is there an additive to remove water from diesel fuel?
K-100 is an all-encompassing, universal gasoline and diesel additive that cleans, eliminates water, lubricates, reduces emissions, and stabilizes old fuel as well as boosts octane rating.
Rubbing Alcohol. Rubbing Alcohol, a chemical that settles at the bottom of the diesel fuel tank and absorbs the water, can be used to remove water from the tank. Such a chemical will eventually flow through the engine and be combusted.
CONTROLLING WATER IN DIESEL FUEL: EMULSIFIERS
Fuel additives using emulsifiers are formulated to keep water in emulsion in the diesel fuel in such minute particles that the water passes harmlessly through the fuel delivery system where it is vaporized in the diesel engine's combustion chambers and released as steam.
Maintenance Minute - Draining the Fuel Filter - YouTube
How Long Does It Take For Heet To Remove Water? moisture removal usually takes between 15 and 20 minutes with HEET. There are other factors, however, that can impact this amount of time, such as the temperature.
- A loss of RPM and power in the machine.
- Rough starting or erratic idling.
- Trouble or a lag in acceleration when stepping on the pedal.
- Abnormal exhaust such as white smoke.
Diesel 911 Features:
Prevents fuel-filter icing. Reliquefies gelled fuel in minutes no tow truck needed Removes water from fuel system extends life of fuel-filters, fuel-injection pumps and fuel injectors.
Sea Foam Motor Treatment only contains petroleum-based ingredients and is always safe to use in all types of gasoline and diesel engines. It does NOT contain harsh detergent or abrasive chemicals.
The additives themselves claim to benefit your vehicle in numerous ways, from cleaning carburettors, injectors and intake valves, to keeping your fuel system free from excess water. In layman's terms, fuel additives promise better fuel economy, better performance, lower emissions and a prolonged engine life.
How to Remove Water from Gas Tank - Avoiding Costly Automotive Repairs
Can water damage a diesel engine?
Direct Damage Caused by Water
Water causes damage to both fuel tanks and engine parts. Rust and corrosion in the tank create hard particulate that is passed along in the fuel, causing engine wear.
How to clean your fuel tank without removing it from the vehicle

Draining water from the tank is easy, put a jug after the fuel filter and keep toggling the key until all fluid is sucked out of the tank. Change filter afterwards. for the lines and injectors your going to need a bottle of Dry-gas (gas line antifreeze) and crank the engine until it clears up.
Use a separating funnel since the petrol floats above the water. Just let the mixture stand. Petrol and water are not soluble, so they will eventually separate. Since the petrol is lighter than the water, it will form a layer on top, and may be drawn off.
Direct Damage Caused by Water
Water causes damage to both fuel tanks and engine parts. Rust and corrosion in the tank create hard particulate that is passed along in the fuel, causing engine wear.