Excessive dosing of K ? - Fertilizing - Aquatic Plant Central

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Old 01-03-2011, 02:24 PM   #1 (permalink)
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Default Excessive dosing of K ?

Hi,

I am dosing 40 to 45 ppm of K/week via K2SO4, KNO3 and KH2PO4. Do you folks find this excessive ?
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Old 01-03-2011, 02:40 PM   #2 (permalink)
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Default Re: Excessive dosing of K ?

per week? Nope. I think we are more likely to have K deficiencies than over dosing.
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Old 01-03-2011, 02:56 PM   #3 (permalink)
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Default Re: Excessive dosing of K ?

Thanks medicTHREE.
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Old 01-10-2011, 06:12 AM   #4 (permalink)
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Default Re: Excessive dosing of K ?

Can anyone point me to a tool or formula for calculating total K dosing from amounts of KNO3, KH2PO4, and K2SO4? Thanks!

EDIT: Never mind, just realized the Fertilator does this.
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