Welcome to the board Waterdog. You'd be better off getting it blasted.

And welcome to the board, J I Case. Your name is appropriate, you are a case.

I had my frame sandblasted for $100 and primed for another $60.

Besides the fact that you shouldn't use stainless for the electro-derust, I don't see how you could build a tank for less.

Also, the process is known to cause brittleness making it not suitable for stress bearing parts like a chassis.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.