COGr slabs have to be buffered before use! ● For buffering the COGr substrate there is COGr buffering agent ● CANNA developed COGr Vega specially for the growing phase of the plant ● Do not mix A & B concentrate directly; Insoluble combinations will occur which the plant cannot absorb ● Store closed in a dark and frost-proof place (UV light breaks down iron chelate's in the nutrient) ● Keep out of reach of children
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