Can someone explain to me NPK values and how they're read? Was forced to switch to new grow medium that contains fertilizers (.18-.06-.12) and want to know how I need to compensate ferts to get the same nute levels.
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Can someone explain to me NPK values and how they're read? Was forced to switch to new grow medium that contains fertilizers (.18-.06-.12) and want to know how I need to compensate ferts to get the same nute levels.