[Shop-talk] Source (or alternative) for Phosphoric Acid

[Eric J Russell]

How does the Hirsch product compare to POR 15's?
http://www.por15.com/prodinfo.asp?grp=MR&dept=2

Eric Russell
Mebane, NC
http://home.mebtel.net/~ejrussell

----- Original Message ----- 
From: "JAMES STONE"


> I used to be able to buy phosphoric acid pretty easily 30 years ago,
> but can no longer find it.  Does anyone know a place where this can
> be found easily and inexpensively?  If not, is there a good 
> substitute for it?