Opinions on sealing a fuel tank

The tank on my KZP is only slightly rusty.  I have Evapo Rust soaking in it as we speak.  I've read several threads, after searching, about how to clean it out after removing the Evapo.  What I really haven't seen is suggestions for sealing the tank afterwards.  The tank does not leak, nor does it have any heavy rust and I really do not want to use any sealant inside the tank, if I don't have to.  I plan to use ONLY non-ethanol gas in it, as that's readily available here and in the state I may be moving to. So, since most of you are more well versed in these older bikes, what is your opinion on the use of sealants and do you think they are needed in my case?  As always, thank you.

Avoid using any sealer in the tank like the plague.
If it's not leaking it doesn't need it.

We've cleaned out a bunch of rusty tanks with EvapoRust. Skipping the water rinse and going straight to a diesel rinse prevents flash rust, coats the tank with diesel and protects it until you put it back in service and won't hurt a thing because it dilutes into the gas as soon as you fill it up.
The tank won't need any sealer unless there was a spot that was just about to rust through and the EvapoRust dissolved the rust plugging the soon to be hole. We have never had to use sealer on a tank.