Subject Started by Replies Views Last post
How can ballasts tell if......... mr_big 6 7229 May 15, 2009, 08:41:26 PM
by don93s
CFL's that clean the air lightman64 6 3254 May 09, 2009, 04:08:02 PM
by lightman64
WATCH OUT! Chinese workers POISONED by making CFLs! Silverliner 1 2491 May 08, 2009, 04:51:57 AM
by Roi_hartmann
Horizontal burning drops the arc voltage? bluelights 11 4347 April 30, 2009, 08:18:09 PM
by don93s
Another MH question lightingcollector84 4 3051 April 29, 2009, 03:31:31 PM
by Medved
MV strange behavior lightingcollector84 6 3914 April 28, 2009, 05:51:35 AM
by TudorWhiz
Plant growing lamps in the USA dor123 2 4230 April 26, 2009, 11:27:46 PM
by don93s
Greened out MV bulbs.... « 1 2 » lightman64 25 10584 April 15, 2009, 07:50:51 AM
by Foxtronix
Question about the MV electrode flashing purple bluelights 4 3193 April 13, 2009, 11:51:28 PM
by don93s
Bulb Covers lightingcollector84 8 3659 April 12, 2009, 02:31:14 PM
by TudorWhiz
mercury vapor lamps and lumen depreciation form109 11 8128 April 09, 2009, 04:15:22 PM
by giancraloHPS
Why do some CFL's buzz? lightman64 4 3455 April 04, 2009, 12:44:52 PM
by bluelights
Linear fluorescent tube sizes, US versus Europe arcblue 7 12168 March 25, 2009, 11:16:09 AM
by sotonsteve
Which uses more mercury, lamps with mercury in it or incandescent? TudorWhiz 9 5785 March 24, 2009, 08:33:00 PM
by Medved
Why does Europe have a BC socket and Screw in TudorWhiz 1 2679 March 24, 2009, 08:09:36 PM
by Medved
An incandescent looking CFL??? TudorWhiz 2 3028 March 24, 2009, 08:00:07 PM
by Medved
Overpowered 250W HPS GE M-400A1 10 4253 March 24, 2009, 07:14:47 PM
by Medved
Dangers of Cool White? DimBulb 14 5225 March 24, 2009, 06:57:42 PM
by Medved
CFL problems lightman64 11 4297 March 24, 2009, 06:50:15 PM
by Medved
What is This ???? lightman64 9 3675 March 24, 2009, 06:45:35 PM
by Medved
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