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Just wondering why people still use NFT? Water and nutrient uptake are affected by DO levels at the root zone, which is controlled by various metabolic processes that are influenced by environment. NFT is one of the poorest techniques at providing sufficient DO as the accumulation of layered...

Thought I'd share something I've learned over the years.. Roots should be kept cool, 66-68 degrees is optimal. Higher temps do not facilitate higher metabolism like in the leaves. Instead elevated temps at the root zone causes several problems. Roots need O2. In water, dissolved oxygen (DO) and...