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  1. 250w Hortilux bulbs + ballast (1 replies)
  2. Plantmax Pulse Start Metal Halide 400w, 600w, 1000w (2 replies)
  3. Bulb Reliability Census (7 replies)
  4. I just got a HPS bulb in the mail from ebay (6 replies)
  5. found new light for free today (11 replies)
  6. can i run a (2 replies)
  7. sun system 400 dual ballast might be going... (4 replies)
  8. Knowing when your T5s go out. (4 replies)
  9. Need Some Advise On Light Fixture Placement ! (4 replies)
  10. Lumatek Ice Pack (28 replies)
  11. 1500w HPS/Metal Halide (4 replies)
  12. Most efficient (power usage) 400w/600w HPS ballast KIT?? (14 replies)
  13. New Hot Spot Diffuser? (1 replies)
  14. hortilux ballast (11 replies)
  15. why is it bad to grow with a (14 replies)
  16. Anyone use plasma lamps? or induction lighting to grow? (1 replies)
  17. HPS Lighting (7 replies)
  18. Is 1000w too much for a 3x3 tent? (27 replies)
  19. Parabolics! Good/Bad (7 replies)
  20. ? regarding rebuild of mag ballast/switchable (16 replies)
  21. Too much light (2 replies)
  22. plantmax bulbs (8 replies)
  23. A runnning conversation with Sunpulse (23 replies)
  24. 400 watt to a 600 watt (8 replies)
  25. Lamp Selection When Using Dim-able Digital Ballast? (7 replies)
  26. Ulbricht sphere PAR test (PPF) of several popular 1000W lamps (117 replies)
  27. A watt is a watt? (3 replies)
  28. Best Lights For 2+ month veg? (11 replies)
  29. 90w White Warm led 5800 lumens (0 replies)
  30. 240v house heater to plug ballast (1 replies)
  31. outdoor is always better, what light brings outdoor indoor (14 replies)
  32. Ballast Reliability: Digital or magnetic? (66 replies)
  33. Putting ballast outside (7 replies)
  34. HID cost per month? (2 replies)
  35. Light Overkill? (1 replies)
  36. CMH 400W for bloom?? (1 replies)
  37. Light controller w/timer for small kit DIY (119 replies)
  38. Mother cabinet lighting ??? (4 replies)
  39. How about these PL-L FIXTURES? (3 replies)
  40. Experienced with Osram Golden Dragon Plus? (10 replies)
  41. Light meters--what rating do I need (61 replies)
  42. Help with attaching (2 replies)
  43. need opinions, an interesting use of a plastic bottle! (4 replies)
  44. Will these floro's work for mothers? (5 replies)
  45. Lighting Controller vs Timer (16 replies)
  46. Response on my 250w setup (10 replies)
  47. One light on each side of rail possible? (4 replies)
  48. CMH ballast + Inline fan CFM question (1 replies)
  49. PL-L lights ( after reading the PLL thread ) question. (12 replies)
  50. Anybody run 1000w Dual Arc bulbs on dimmable 1000w digi ballasts on the 600w setting? (10 replies)
  51. Blue Spectrum In Flower Makes More Resin? (39 replies)
  52. cfl vs old generation leds (9 replies)
  53. Lumateks? (7 replies)
  54. Best 1000w Bulb for my Lumatek Ballast (5 replies)
  55. T5 vs Reg shop lights..your opinion? (23 replies)
  56. Question about LED light spread (0 replies)
  57. Can a 400w HPS Truly Cover 3x3? (17 replies)
  58. Does cold air in air-cooled hoods DIM the light? (9 replies)
  59. cfl spacing (2 replies)
  60. Quantum or Lumatek? Which runs cooler, and which do you prefer? (99 replies)
  61. spectrum or color? (3 replies)
  62. Am I Wasting Light ? (1 replies)
  63. Grounding directly to hoodless socket (5 replies)
  64. What specificly gives an HID lamp more penetration than an equivalant wattage CFL? (40 replies)
  65. Best 1k MH bulb for flowering? (0 replies)
  66. Underlights...be still my beating heart (7 replies)
  67. quantum meter (1 replies)
  68. anyone got a footprint or design (0 replies)
  69. induction grows? (8 replies)
  70. Dimmable Ballast Gavita 1000w (2 replies)
  71. Is this a good craigs list deal? (6 replies)
  72. confused, in need of advice from LED users (6 replies)
  73. Lumens, lux and Lumateks (6 replies)
  74. 125w single CFL for grow? (4 replies)
  75. over tightened (2 replies)
  76. LED LIGHTS (9 replies)
  77. Whats wrong with this ballast? (16 replies)
  78. Burnt? (0 replies)
  79. CFL bulbs made for retrofitting mh/hps ballast (2 replies)
  80. whats the best 400 watt mh bulb on the market? (9 replies)
  81. Need additional lights for my 250w HPS set up (13 replies)
  82. Help me with 220v outlets in series. (23 replies)
  83. (UVA+UVB)&sativa (48 replies)
  84. new set up lighting (0 replies)
  85. lights (4 replies)
  86. trouble with lumatek ballast (14 replies)
  87. Commerical medical grow all LED (7 replies)
  88. T5s for veg? (21 replies)
  89. does glass reduce lumen's by 30%? (36 replies)
  90. Best MH bulb for trichome production.. ? (10 replies)
  91. LED resources for the DIYer ? (26 replies)
  92. Hps or LED? (7 replies)
  93. I got free stuff! (3 replies)
  94. Sonlight AGRO or GIB XTreme 400W? (2 replies)
  95. what do u guys think of theese l.e.d's (8 replies)
  96. Dual Arc or HPS for flower? (2 replies)
  97. What is the design footprint of the Raptor reflector? (4 replies)
  98. MicroMole digital Ballast? (11 replies)
  99. Local lowes has 70w mh security lights for $9.99!! (7 replies)
  100. Digital Ballast Pro's and Cons (37 replies)
  101. Need info on penetrator x pro LED's (10 replies)
  102. Got a Plasma (42 replies)
  103. 1500 W ballast WTF???!!! (9 replies)
  104. Can ya run 1K and .25K on same 15 K ? (3 replies)
  105. sunmaster=-sylvania (5 replies)
  106. Real Deal LED 8-2011 (10 replies)
  107. A use for 175 watt MH bulbs (2 replies)
  108. Glowing Tungsten supplement light (8 replies)
  109. vegging with LED's ... (3 replies)
  110. break in peroid? (5 replies)
  111. water proof insulation for florescent tubes (3 replies)
  112. Ultra Sun Digital (3 replies)
  113. Ignitor? (3 replies)
  114. any info about maxlume & hydrofarm t5's (2 replies)
  115. Cost coming down for LED lighing? (13 replies)
  116. Good deals on T5 light systems? (6 replies)
  117. CFL Coverage Area Question (14 replies)
  118. 250W MH or CFL (27 replies)
  119. indoor tree growers (6 replies)
  120. using a 250mh during the day and a 600 at night? (0 replies)
  121. Light Mover or Another Light (8 replies)
  122. best way to veg out mh vs cfl (4 replies)
  123. staggering lights in flower (5 replies)
  124. Found Lighting Treasure (kinda) (3 replies)
  125. 400 watt metal halide homemade active intake enclosure (6 replies)
  126. Resonance Issues with Plantastar 600w on Digi Ballast (2 replies)
  127. best light to use with a digital ballest? (1 replies)
  128. Lumatek ballast? (7 replies)
  129. cheap 250 bulb or expensive grow bulb replacement advice sought (4 replies)
  130. what bulb do you flower with? (25 replies)
  131. Hortilux SuperHPS: Now for E-ballasts (41 replies)
  132. can we talk aout dimming feature of ballasts? (4 replies)
  133. 150Watt + 250Watt Hps Stacked or 400Watt Hps (3 replies)
  134. lighting comparisons (0 replies)
  135. Effect of Light Intensity Reduction (15 replies)
  136. Supplemental light to go with my 600w hps (2 replies)
  137. buying new 600 watt lights to flower advise sought (31 replies)
  138. Want some blue light - 250watt MH retrofit or supplementary CFL? (14 replies)
  139. Question on extension cords (4 replies)
  140. Ballast hood wiring issues. (4 replies)
  141. Does cord length affect light intensity (14 replies)
  142. Virtual Sun (0 replies)
  143. What ebay HPS? (2 replies)
  144. Flipbox within the same room (1 replies)
  145. Advice for UVB (28 replies)
  146. light question (5 replies)
  147. This is why you check and change your bulbs every so often (4 replies)
  148. Air cooled reflectors in winter? (3 replies)
  149. Impressed with the 600watt (13 replies)
  150. Digi/Mag, Lumatek/Quantum...wtf??? (6 replies)
  151. CAP Digilux HPS bulbs - Anyone use them?? (4 replies)
  152. Need Opinion From LED Experts. (38 replies)
  153. Hard duct between air cooled lights (5 replies)
  154. digital ballast from U.S to australia? (1 replies)
  155. Question on light movers: Can i put two lamps on? (5 replies)
  156. sunlight supply questions (2 replies)
  157. how is a cheap ebay ballast silent but name brands LOUD? (10 replies)
  158. Too old HPS bulb question (2 replies)
  159. 400w multi-tap metal halide ballast picture adventure. [9 pictures] (17 replies)
  160. Smallest Air Cooled Hood?!?!?! (9 replies)
  161. Have you flowered with Lumitek ballist turned down? (3 replies)
  162. Lumatek Ballast (3 replies)
  163. Kessil KSH150P enough for 2 plants in 2' x 4' grow? (4 replies)
  164. supplemental L.E.D lighting (1 replies)
  165. DIY LED setup (33 replies)
  166. 1K, Air-Cooled Hood - Quick Question (4 replies)
  167. flip relay DPDT questions.. please read (4 replies)
  168. PLASMA LIGHTING ? (12 replies)
  169. What makes growing vert better ? (9 replies)
  170. led ratings if you please (7 replies)
  171. How many 1000w HPS ballasts can you run on 1 socket? (10 replies)
  172. which one is better ? (7 replies)
  173. Light won't stay on, need help (13 replies)
  174. Which Led ? (99 replies)
  175. Lighting Information - A Few Numbers (3 replies)
  176. 1000w heat vs. 600w heat (2 replies)
  177. Running a 1000w with basic outlet (6 replies)
  178. Recycling old CFL balasts, use with Pl-s & ls & fluro tubes (7 replies)
  179. Best type of light and wattage for clones per tray? (6 replies)
  180. 400w 480v Metal halide ballast to 120v question? (6 replies)
  181. running a 600 and 400 on single ballast? (4 replies)
  182. Tested 13month old 600w HPS blub vs NEW (25 replies)
  183. Changing to a flip flop setup (12 replies)
  184. Will this work? (6 replies)
  185. Would you like mercury with that? (33 replies)
  186. Light Controller (5 replies)
  187. Acceptable wattage per sqft/Number of plants? (3 replies)
  188. Digi Ballast Interfere with household/wireless devices? (11 replies)
  189. 1000W T5 or 1000W HPS? (22 replies)
  190. Less expensive bulbs (12 replies)
  191. Veg Lighting, opinions! (11 replies)
  192. time to replace my 600's (6 replies)
  193. CFL versus spring sunshine, what is the break even point? (11 replies)
  194. CFL expert advice needed. (1 replies)
  195. 150w HPS all in one design? (2 replies)
  196. is a digilux 600w mh a waste of money? (58 replies)
  197. Exhausting air out for a 250w hps? (2 replies)
  198. need help picking a led for veg (6 replies)
  199. Verticle vs Horizontal CFLs (0 replies)
  200. How many plants can/should i grow at a time? (0 replies)
  201. 600W MH (3 replies)
  202. LED good for veg? (4 replies)
  203. Enclosed ballasts for small MH? (4 replies)
  204. Bumper crop from doubling your lighting....... after week 4....... (0 replies)
  205. Costs seem to be higher than I expected for lights (26 replies)
  206. Cheap MH Lights (21 replies)
  207. 200 watt's of cfl's VS 150 watt's of HPS? (11 replies)
  208. 200 wat's of cfs or 150 HPS? (1 replies)
  209. why does my hps suddenly look like a mh? (2 replies)
  210. what is the difference? (22 replies)
  211. Using CFL's with HPS (5 replies)
  212. Bulb Wattage (6 replies)
  213. Confused about 70w CMH and ballasts =/ (2 replies)
  214. Pll lux (0 replies)
  215. seeking advice from phantom ballasts owners (1 replies)
  216. Technical Input needed on lighting for lettuce on large scale (5 replies)
  217. simple lighting questions ? (1 replies)
  218. Help with Bulb type please! (9 replies)
  219. Metal halides & the new Lumiteks ? (3 replies)
  220. Best Bulb For Digital Ballast (23 replies)
  221. ANY EXAMPLES ? of T5HO EXCLUSIVE GROW ? (1 replies)
  222. How Far From Ballasts Can Bulbs Be? (15 replies)
  223. New ballast keeps buzzing every so often.. (6 replies)
  224. Illuminator 90 watt UFO LED and 400 Watt HPS (10 replies)
  225. Thoughts and advice please.. I'm dusty! (3 replies)
  226. GIB lighting (3 replies)
  227. Best way to power 1600w? (3 replies)
  228. How often do you replace your bulbs??? (10 replies)
  229. metal halide questions (3 replies)
  230. Are those green leds on the Bluelab monitor safe for flowering? (11 replies)
  231. SUN MASTER 600 HPS?? (2 replies)
  232. AN Baddass bulbs (2 replies)
  233. Good for 1-2 Plants? (4 replies)
  234. how long does it take a 1000w HPS to fully warm up?? (3 replies)
  235. 1000 watts,3x6,trouble? (9 replies)
  236. 600 watt hps for veg (3 replies)
  237. Best light for seedlings (7 replies)
  238. Light type/size Decisions (2 replies)
  239. Light wont fire? new ballast and bulb.. (1 replies)
  240. home depot LED for mother / clone (0 replies)
  241. So tired of looking... Can someone help me out?! (3 replies)
  242. is vertical lighting better? (40 replies)
  243. Using a broken MH bulb (5 replies)
  244. Overkill? 133W / Sq Ft (15 replies)
  245. Should I go LED? Please rate this product. (34 replies)
  246. Gavita-Pro 1000w 400v (new generation hps) (593 replies)
  247. too much light? is it possible... (1 replies)
  248. ballast question (0 replies)
  249. How many watts per plant for bonsai moms with CFL? (17 replies)
  250. Vertical grow lights (3 replies)