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Re: "electronic pH reduction", ammonia, MgSO4.7H20

	"electronic pH reduction"    -    Forget it.

	The ammonia/ammonium equilibrium is _very_ fast, so you can't
get around the relationship with pH by removing ammonia.  This has
come up before, have a look at the archives.

	MgSO4.7H20 _is_ a solid, and is the way one normally buys the stuff.

Paul Sears        Ottawa, Canada