Can I add Marine PRO to gas tank with Sta-bil? [SOLVED]

Can I add Sea Foam to my boat gas tank if it has Sta-bil in the gas for winterization?

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Jim D.
Jim D.
3 months ago

Good question, Mark. Yes, you can add Marine PRO (or Sea Foam Motor Treatment) to gas that already has Sta-bil in it. Mixing the two won’t hurt anything.