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Re: [APD] Using Sulphate of Potash in my tank
I believe Jerry Smith wrote this email section below:
> Potassium fertilizer percentages are reported as K2O. This is just a
> standard in the fertilizer industry. So, the fertilizer is composed of
> K2SO4, but the percentage of potassium is reported as if all the K2SO4 were
> converted to K2O. See table 3 in this link to see the K2O value for various
> potassium fertilizers.
Thanks for an interesting link Jerry.
I've added it to the Potassium page on the Aquarium Wiki Encyclopaedia.
My potash product says:
Analysis: Potassium Oxide (K2O) Soluble in water, 48.0% (39.9% K)
200 Million years in the making...
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