[mp_row] [mp_span col=”12″]   Great greenhouse tips and useful information to keep your greenhouse running efficiently. High-Intensity Discharge (HID) Lights These are the same powerful lights used by professional greenhouse growers. HID lights are highly energy efficient. You can grow any plant, anywhere, anytime you choose. The “high intensity” light energy is effective much farther than fluorescent: 250 watt/3 ft., […]