hps has more lummes {light,less heat}
MH has more heat with a lot of lummes in the blue spectem
MH is cheeper then hps {hidh preshure sodium}
still learning
1 time hydo
redvetttes Reviewed by redvetttes on . Could someone give me some info on MH? I was just wondering if someone could give me some info on mh's.I was planning on getting a 400w hps, but someone told me that a MH was way better. ok this is thrus( ;) ) what i need to know:Are there any different things between the 2 bulbs? such as heat difference, or anything in that sort.could you please let me know. THANX Rating: 5