What signs would plants show if the 400watt MH bulb was past its prime. Lets say the bulb was a year past its prime. Could it hurt the plants, stunt growth?
SeaOGreenies Reviewed by SeaOGreenies on . Old Bulbs What signs would plants show if the 400watt MH bulb was past its prime. Lets say the bulb was a year past its prime. Could it hurt the plants, stunt growth? Rating: 5