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K2SO4 any value?

Discussion in 'Advanced Strategies and Fertilization' started by geektom, Nov 12, 2017.

  1. geektom

    geektom Junior Poster

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    Hey all- when I purchased my EI set up from GLA, they included K2SO4 along with KNO3, KH2PO4 and CSM+B.

    How much value does the SO4 have in plant nutrition? I never see anyone reference it when talking about the health of their plants.

    Thanks!
     
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  2. Mike k

    Mike k Member

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    Following to learn....


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  3. VaughnH

    VaughnH Lifetime Charter Member
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    K2SO4 is used primarily for the potassium, not the sulphur. Plants do need sulphur, but not in macro quantities. It is a micro nutrient. Some people have a lot of nitrate in their tap water, or they have many big fish, who provide a lot of nitrate from their waste. Those people can use much less KNO3 than the EI tables recommend, and substitute K2SO4 for the missing K. That is why it is included in EI nutrient packages.
     
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  4. geektom

    geektom Junior Poster

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    Thanks!


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