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Re: potassium

>>>>> Ken Cova <pwhdad at one_net> (here: "KC"),
>>>>> on Thu, 15 Oct 1998 13:49:42 -0400,
>>>>> pondered the meaning of life, then wrote down:

    KC> from the iron and other nutrients.  At this time I'm not ready to go 
    KC> the full PMDD route. Does anyone know of an off-the-shelf product 
    KC> (besides the $Amano$ one) that contains only potassium?

How about dosing just potassium chloride (KCl)?  Potassium sulfate works too.
The extra chloride or sulfate ions are harmless.

I've got a little bag at home of "muriate of potash" I got from the garden 
store.  I sprinkle an appropriate dose of it into a cup of water from the
tank itself, stir to dissolve it, then add it back to the tank.  I use it
whenever I think I see potassium deficiency symptoms.  

The nice thing is that there's a large room for dosing error with KCl as 
opposed to other nutrient mixes.  Does anyone know what can happen with an
overdose of KCl?  Is salinity the only problem?

Carlos E. Munoz 
<cmunoz at crystal_cirrus.com>