Paint/seal aluminum stand?

ReefPharmer

Active member
ey guys/gals
I have a running 120 gallon tank and sump. The stand is built out of 2 inch tubular aluminum. I forgot to powder coat it prior to set up and had to add water in a hurry do to needing to rehome my fish from another tank. The bottom has rubber liner to catch small spills. Should I paint brush it with killz or some other paint to prevent future damage? I plan on leaving the back of the stand open so there should be less moisture build up
Thanks
 
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