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Re: "Liquid potassium calculations"

> It is a foliar fertilizer that we use on our farm  "Potassium
> Thiosulfate" .  I have 15 gallons of the stuff and we don't use it
> anymore, so I was hoping it's something I could use in my plant tanks.

	Thiosulphates are _very_ soluble indeed, so that makes sense.
As far as I know, thiosulphate isn't particularly toxic, so using
it should be all right.  Maybe someone can comment on the toxicity
of thiosulphate to fish.

Paul Sears        Ottawa, Canada