Recent content by Stuck

maybe they need more nitrogen

I don't know why, but my plants started to yellowing. I use hydrophonic sistem. Evereting looks well - temperature 28C. Water PH - around 7(not perfect, but ok, I think). Lamp Metal Halogen 400w. The tops are 35cm /10" from the Lamp. Is the distance ok? I'm not sure about the humidity. Is...