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Re: K2O replace K2SO4 ?

To: Aquatic-Plants at actwin_com, dennis_chua at excite_com
Subject: Re: K2O replace K2SO4 ?
From: "Chuck Gadd" <cgadd at cfxc_com>
Date: Wed, 13 Dec 2000 16:55:44 -0700
References: <200012132048.PAA27282 at actwin_com>

> I found in a local garden shop selling 1kg package of K2O.
> Can it be used instead of K2SO4 ? Can I follow the same "1/4 tsp one to

It isn't K20.   It's probably either KCl or K2SO4.   Potassium content
is often expressed as K2O (Potassium Oxide).  The reason has something to
do with an old method of measuring a quantity of potassium by weighing it
after burning it.   At least that's what I vaguely remember from
chemistry class.

--
Chuck Gadd

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