Originally Posted by tiger1964

Educate me on that? You put baking soda (how much per gallon?) in the water that already has the acid? Hmmm, I have a special challenge -- I am doing three frames, my plan was to dunk each one in succession in the same bath, I presume up to 24 hours (?); this would mean each bike would be out of the oxalic bath for up to 48 hours before I could re-immerse in a neutralizing bath. Bad idea? Alternatively, I re-mix the acid each time; I guess that means I'll be going through a lot more oxalic acid -- sure would not mind avoiding that.