ive got my lamp n ballast n bulb. some1 says i got the wrong hps bulb. i got the grow bulb they say, so i called him a clampet. is their a gorw bulb ad bud bulb for hps? any1 help cheers
both MH and HPS bulbs are clear. HPS bulbs tend to be thinner and more tube-like whereas the MH bulbs are fatter, larger and well ... more bulbous. Be careful! using the wrong bulb can result in fire!