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is calcium nitrate still needed for hydro food.

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Old 02-14-2009, 05:34 AM
Tristan Tristan is offline
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Join Date: Feb 2009
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Default is calcium nitrate still needed for hydro food.

dear ron, i've just ordered your "hydroponic plant food" online my question is calcium nitrate still needed to make it complete or is it really a complete plant food to be added to water for plant feeding? otik

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Old 02-14-2009, 05:34 AM
Ron Ron is offline
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Join Date: Jan 2009
Posts: 1,285

Yes It says just to add a little Epson Salt

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