Chemistry 101

Rodger Whitlock
Tue, 08 Nov 2005 20:36:12 PST
On  8 Nov 05 at 14:13, J.E. Shields wrote:

> Chemistry 101 note:  pH is the hydrogen ion potential, or
> acidity.  pH 7 is considered neutral (neither acid nor
> alkaline) and is the pH of ultrapure water.  pH values below 7
> are considered acid, while pH values above 7 are considered
> alkaline.

But for horticultural purposes, pH 6.5 is considered neutral.

(Now that we've got them all completely confused, you hold 'em 
while I steal their wallets.)

Rodger Whitlock
Victoria, British Columbia, Canada
Maritime Zone 8, a cool Mediterranean climate

on beautiful Vancouver Island

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