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Re: [APD] Using Sulphate of Potash in my tank
I checked that page out, too, but when we're figuring it for aquatic use
(the way I do it personally, anyway), that doesn't really matter right,
since we just figure the proportion of K in each unit of molecular weight?
Stuart Halliday wrote:
> 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)
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