Adding Sea Foam Marine PRO to a boat motor fuel filter [SOLVED]

Thanks for the question, Ben! The concentrated approach you are describing is a great way to clean the fuel system and injectors.

Use a 1:2 ratio of Sea Foam Marine PRO to fuel (1 part Marine PRO to 2 parts fuel).

Here are a few step-by-step resources:

Video – how to use the can/hose method

https://www.youtube.com/watch?v=HpWDzWi6_r4

Instructions – can/hose method

https://seafoamworks.com/uploads/public/resource-library/2022/07/HOW2_Outboard-Can-Hose-Method.pdf

Instructions – fuel filter method

https://seafoamworks.com/uploads/public/resource-library/2022/07/HOW2_Marine-Engine-Cleaning-Fuel-Filter-Method.pdf