yeah HID bulbs are less effective over time and mine is on its second grow but i dont want to waste any more money on a new bulb until I have my problems sorted out first, The bulb wouldn't cause what im seeing on my plants, it would just give me more stretching
michaelpeg Reviewed by michaelpeg on . Plant Problem What is your experience level? (first timer, novice, experienced...) dumb novice Your Equipment: .1) Type and wattage of lights. (MH, HPS, CFL's, tube fluorescents, LED's) 1: 400w hps .2) Distance from tops? 2: ~8 inches .3) Reflector type? (cool tube set-up, bat wing, enclosed reflector, bare bulb...) 3: bare bulb Rating: 5