04-17-2019, 06:33 PM
Join Date: Apr 2005
Location: Brentwood, CA, USA
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| | Re: Inert Soil + EI Dosing = ?
Originally Posted by Maryland Guppy
Many times we see a soil/substrate's composition listed and these compound/elements may not be available for plant uptake.
For example, a rock can contain most of the nutrients, but none of them are available to the plants. Plants need ions, like Na+, NH4+, etc., which require the compounds to dissolve in the water.