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Re: [APD] Using Sulphate of Potash in my tank
I believe Stuart Halliday wrote this email section below:
> I believe Jerry Smith wrote this email section below:
>> I have read different values for the percent of Potassium in Potassium
>> Sulphate, and I don’t understand why there are differences, unless it is
>> the purity of the salt. I have checked my math several times and don’t
>> find a mistake. Potassium oxide is 83.01 percent Potassium by weight.
> Thanks Jerry that all good info!
> With a 15L tank I'd better be careful how much I add...
So by your formula
A 4 US gallon tank to raise K by 20mg/l
4*3.7854 * 20 = 302.832mg of K
302.832 /0.399 = 758mg of K2S04
Therefore 758mg added to a 15L tank weekly should be enough?
If I add 1g into a 1L of water and only pour in 750ml, that should be near
200 Million years in the making...
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