Heating galvanized metal makes for a pretty stinky, and hazardous smoke. I guess it would be ok after "cooking" it off.
I found 6"x24" 16 gauge mild steel at lowes, and ordered the two stainless brackets.
Bacteria are the only culture some people have.
Planning: APA, Skeeter Pee
Primary: Westy Clone, Honey Kolsch, 1554 clone
Lagering: Gluten-free Light Lager, Rye Marzen