Quote Originally Posted by chonged
if ur a Brit....u can get ur hps bulbs that fit into a normal socket from here

http://www.bltdirect.co.uk/cat38_1.htm

if u get one...let the rest of us know what they're like

Once again, just because it fits into a regular sized socket doesn't mean you don't need a ballast and ignitor. You do. So posting such bulbs only shows that you can by hps bulbs...which you've been able to do for decades.
Marc Benson Reviewed by Marc Benson on . Compact HPS!!! I thought you people may find these interesting. Only come in 50 and 75 watt versions but would make some awesome supplemental lighting for the lower canopy. Might even work for your tomato plants HD. 2700-7000K. Screws into a regular light socket. Rating: 5