On Mon, 16 Jun 2003 20:06:26 +0100, Skunky
wrote:

have is sulphate of Potash (Potassium Oxide K2O) Is this OK to use,

Actaully Sulphate of Potash is K2SO4, Potassium Sulfate. But all
fertilziers are listed in their "oxidized" form. It's some
long-standing governement rule for fertilizers.


Chuck Gadd
http://www.csd.net/~cgadd/aqua