K2SO4 instead of KNO3? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 04-12-2016, 10:34 AM Thread Starter
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K2SO4 instead of KNO3?

Hi,

I'm doing EI and I have really big biomass (I have 10 sub adults altums) in my 142g.
I'm checking NO3 twice a week-
Day after water change and day before the big weekly water change and I have always 30-40ppm NO3.
I don't add any nitrogen and I have 0ppm in the tap water.
To use only ‏K2SO4 instead KNO3? Any problem? Same quantity like I supposed to add the KNO3?
KH2PO4 I'm using normally.

Thanks!
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post #2 of 4 (permalink) Old 04-12-2016, 11:18 AM
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That will work. I would just keep an eye on nitrates to make sure they stay in the 20 to 30 range.

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post #3 of 4 (permalink) Old 04-12-2016, 12:06 PM Thread Starter
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Quote:
Originally Posted by jrill View Post
That will work. I would just keep an eye on nitrates to make sure they stay in the 20 to 30 range.

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Ok. Thanks!
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post #4 of 4 (permalink) Old 04-13-2016, 01:58 AM
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I'm not sure it's a direct 1 to 1 substitution, I'd run it through a dosing calculator... Most of the time e.I. dosing is around 20-30ppm potassium (k) unless you notice deficiencies


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