How many millilitres of Sea Foam per litre of fuel [SOLVED]

Do you have a millilitres to litres ratio for Sea Foam ?

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Jim D.
Jim D.
1 year ago

Hey David,

Here’s our recommendation for Sea Foam in fuel, in ml and litres:

For routine/preventative maintenance:

Add 10 ml per litre of fuel. One can treats up to 47
litres. One gallon treats up to 378 litres. Just pour directly into the tank.

For cleaning: 

Add at least 20 ml per litre of fuel.

When cleaning a gasoline or diesel fuel system, it’s safe to add more Sea Foam to fuel. In fact,
the more Sea Foam you add to fuel, the greater the cleaning concentration. For best results, add a full can of Sea Foam to a low tank of fuel (1/8 tank or so), and drive at least 30 km before refueling.


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.