I know that baking soda in quantities is harmful.  It can be used for
indigestion but you have to be careful.....I think it can cause heart
problems.  I wouldn't put it in the litter without a LOT of research.
I do know a lot about it, but just wanted to say I think it should be
checked.
 
Ryan and the Fuzzbrats, Fester, Reiko and Nino
[Posted in FML issue 2503]