AFAIK, common household and vinegar and citric acid are the same thing. Can you elaborate, please? O_O
2017-07-31 5:01 GMT-03:00 Christian Corti <c...@informatik.uni-stuttgart.de>: > On Sun, 30 Jul 2017, Alexandre Souza wrote: > >> Light green? Was it battery electrolyte? Wash it with vinegar (yes, >> vinegar) and after, wash with a good detergent and warm water. >> > > No, *not* vinegar. Use citric acid. You don't want to force the formation > of copper acetate. > > Christian >
