Second the rain water. I keep a 55 gallon drum of it and strain it through filter paper. I use it both for solutions as well as boiling.

I've never had any issues with my degreased steel wool. I do also periodically wipe the barrels with acetone, but especially after prep before the first rust/etch.

My current "Barrel Forest". No coloring problems.



Regards
Ken

Last edited by Ken61; 03/18/17 06:32 PM.
I prefer wood to plastic, leather to nylon, waxed cotton to Gore-Tex, and split bamboo to graphite.