building a fuel cell

if you build a cell out of steel do you need to seal it and if so what do you use?

yeah i would, i built mine, and didn't seal it, bad idea! Eastwood has some

check outmy profile and see what i did.

if you do build out of steel vs aluminum you definatly will want to seal it.....check out POR-15 Tanks sealers

I went to the site I use to get POR-15 from and this is what they offer now...don't know if it's a new brand or just a label change : http://www.kbs-coatings.com/Tank-Sealers-C29.aspx