At 09:11 20.09.02 +0800, you wrote: >Peeter Vissak wrote: > > > > Oxalic acid, very salty foods etc. may be a disaster to kidneys. > >Isn't oxalic acid a developing agent? > >Don't drink the dev :-) > >Steve Shouldn't drink the dev, even if it doesn't contain any acids. Make this a habit! Peeter