On Sat, 28 Jun 2003 10:31:14 +0100, Skunky
wrote:


So if I don't have K2O, why is it saying it is K2O on the box?

Because K2O is the standardized form of potassium used in fertilizer
measurements / analysis.

But, it wasn't sold as K2O. I believe you said it was labelled
sulphate of potash. That is K2SO4.

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