I used the same boards on my first grow did ok for seedling and into veg but after a couple weeks it didnt have the power to sustain the grow. I built a 400w set of lights and seem to be doing great now.
1. Nutrient solution flow-rates in the root zone must be adequate.
Circulation ensures the roots will receive adequate dissolved oxygen and nutrients. Usually 2 litres per minute per root-zone/gully for optimum results in nft (1/2 gal/min). Circulation also ensures that opportunistic fungi that...