HOW TO USE SEA FOAM FOR ENGINE STORAGE AND STABILIZING FUEL
BENEFITS
DIRECTIONS
SUMMARY
Sea Foam Motor Treatment works to stabilize stored fuel up to 2 years. Adding Sea Foam to stored tanks helps fuel resist evaporation, preserves ignition vapors, adds protective lubricity, and prevents the formation of gum and varnish in fuel systems. Gum and varnish residues are the most common cause of poor engine function. Using Sea Foam in stored fuel will help your engines start easier and last longer.
![bbsfw-s2-img-8](https://seafoamworks.com/wp-content/uploads/2024/03/bbsfw-s2-img-8.png)
what is a fuel stabilizer and what does it do?
RELATED QUESTIONS
Will Sea Foam clean old gasoline and restore its function?
Thanks for the question, Paul!
No, unfortunately it won’t. It’s best to drain any old, degraded fuel from the tank.
If added to fresh fuel, Sea Foam will preserve its volatility and prevent it from degrading.
If you do have old fuel, it will reliquefy any varnish or residue that has formed. If you’ve got a vehicle or engine with old gasoline in it and you can’t drain all of it, add some Sea Foam and fresh fuel. A full 16oz can added to a gallon of fresh fuel is a good start. Run that through the engine and it will clean the entire fuel system.
Hope that helps and let us know if there’s anything else!
Will a can of Sea Foam that has been opened go bad? If so after how long?
I want to store my pressure washer for the winter. Is it best to add Sea Foam to the fuel system and run it out, to keep the engine lubed?
Good question, Robert. Here’s what I’d recommend:
Simply add Sea Foam Motor Treatment to the fuel, and run it for about 15 minutes. That will draw the treated fuel through all parts of the fuel system so it’s protected during storage. A high concentration (4-6 oz of Sea Foam per gallon) will do a great job cleaning the fuel system when you’re running it, as well as stabilize the fuel for storage.
It’s up to you whether you store it with a full or partial tank.
Here’s a link with detailed instructions on storage if you’d like more info:
https://seafoamworks.com/uploads/public/resource-library/2022/07/HOW2_Small-Engine-Storage.pdf
Hope that helps!
I understand Sea Foam Motor Treatment is beneficial to run in a diesel system for cleaning, lubricating and such, but does Sea Foam stabilize diesel fuel for storage? Or does Sea Foam only stabilize gasoline?
Great question, Grey. Yes, Sea Foam Motor Treatment will also stabilize diesel fuel for off-season storage or bulk fuel storage. Use 1 ounce of Sea Foam per gallon of fresh diesel fuel.
[Unrelated to fuel stabilization, note that Sea Foam Motor Treatment is not a biocide, though, so get a specialized product for that if it’s a concern].
Can I use Sea Foam Motor Treatment in my riding mower on every fill up, or is that too much?
Good question, Ted. Using Sea Foam in every tank of gas in a lawnmower is actually a great way to keep it running well. Unlike cars and trucks (which get driven all the time), a lawn mower might sit for a few weeks or months in between use. That’s when fuel begins to degrade and gum and varnish begins to form in the fuel system. Sea Foam prevents fuel from degrading and cleans out any gum or varnish that forms (which is a very common cause of mower engine problems and poor performance). It’s cheap insurance that’ll help keep your mower running well and prevent problems.
Add 1 ounce of Sea Foam per gallon of fuel.
Jim D.TECH
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