brucegodlesky Posted January 31, 2008 Share Posted January 31, 2008 In what ratios do you guys mix TSP for a neutralizer? Quote Link to comment Share on other sites More sharing options...
EdCaffreyMS Posted February 1, 2008 Share Posted February 1, 2008 Saturated solution..... mix it into distilled water until no more TSP will dissolve. All you need is a minute or two in this solution to neutralize the etchant. When the blade(s) come out, they will have a black "sludge" on them, this is the leftover etchant that has been neutralized. I usually go to the swarf bucket under the grinder, and scrub the blade with #0000 steel wool to clean all the sludge off, then clean it good with acetone, oil or wax it and your done. Quote Link to comment Share on other sites More sharing options...
brucegodlesky Posted February 1, 2008 Author Share Posted February 1, 2008 Thanks Ed. The baking soda solution I was using didn't seem to be doing the job. Quote Link to comment Share on other sites More sharing options...
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