Adding Sea Foam to mower fuel – how much? [SOLVED]

How much Sea Foam can I add to my riding lawn mower’s 5-gallon tank for first time ever?

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Jim D.
2 years ago

Great question, Ty. I always wait until the tank is low, add a full can, then operate the engine for at least 10 to 20 minutes before adding more fuel. That way you start out with a higher cleaning concentration, then there’s plenty of Sea Foam remaining in the tank after you fill later. Hope this makes sense!