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Interested in using fluid film for some rust prevention on the bottom of my jeep and have a few questions.

1. How often do you have to re apply, if at all?
2. Is there anything on the underbody I SHOULD NOT spray?
3. Any other tips or tricks from your experience?

Thanks
I've only sprayed once so far, before winter. I'm going to pressure wash and reapply before the weather gets cold. I've ready 6-12 months depending on conditions.

You can spray everything but brakes. Stuff that gets hot will smoke after the first start up.

I just roll around under the rig on a creeper and spray everything! There isn't much too it. Enjoy the protection!

-Ryan
 
So does this Fluid Film stay moist/wet, like grease? Or does it dry?
For it to be properly effective, it should look "wet". So if you've sprayed an area and later on, it looks dry, spray it again.
 
Once you use it there is no going back. Stops the rust and existing surface rust on cast parts once sprayed gets wett thus darkens so as to blend in and no longer looks like a rusty cast part.

The stuff cannot be beat in my book. Jkeeper10 turned me on to this stuff back in January February, heck were using it at work now on all kinds of equipment, parts, and tools.
 
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