On Feb 9, 11:33*am, "Tom Mills" wrote:
Where do you find the true TSP? *I looked at my local building products
store and they have TSP but it list on the package Phosphate free.
--


I got a box at our local, old-fashioned hardware store. Pure tri-
sodium phosphate. I googled "phosphate free TSP" and learned the
following:

"The phosphate-free formulation contains sodium metasilicates."

It goes on to describe how toxic and dangerous this replacement
chemical is.

Paul