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  1. Room arrangement using 6 x Gavita Pro 1000 or 12 x Gavita Pro 600? (7 replies)
  2. Gavita TripleStar feedback (0 replies)
  3. A600w MH bulb that seriously harms plants, ever heard of such? (7 replies)
  4. spacing for two 1000w hps (1 replies)
  5. Green Light. (3 replies)
  6. Philips SON - T PIA Green Power 600w . . . (19 replies)
  7. Solar panels :Lighting 2x600w ?'s (10 replies)
  8. Anyone ever rotate bewteen MH and HPS in flower? (5 replies)
  9. CFL or HPS for flowering (3 replies)
  10. Bulb life: Lux to Lumen (2 replies)
  11. PL-L setup questions (0 replies)
  12. Running Glassless (11 replies)
  13. True Light Full Spectrum Lights (fluorescent) (0 replies)
  14. Revolt digital ballast help....! (14 replies)
  15. 600 watt adjust a wing and temps distance (2 replies)
  16. Help! My 1000 watt ballast keeps tripping the braker (7 replies)
  17. UFO 90w Led or 150 MH HPS for veg (1 replies)
  18. 2700k during grow? (3 replies)
  19. Good Quantum Measurement for Less Money? (0 replies)
  20. 3 x 800 or 2 x 1k? (4 replies)
  21. Bubbling Transformer! WTF?! (23 replies)
  22. Switching things up a bit. 250w 3x3room w/ coco drippers. Reflector Help! (0 replies)
  23. Quick question: Philips TUV PL-L 95W (4 replies)
  24. White and yellow light question (0 replies)
  25. Induction lamps run hot at start up? (1 replies)
  26. DNA Lighting Solutions (95 replies)
  27. do t5s make plants auto flower? (22 replies)
  28. Correct way to set up fans w/lights ? (28 replies)
  29. PAR and Dimmable Ballasts (12 replies)
  30. Diamond reflectors....are they available in the US? (0 replies)
  31. CFL to HPS Question (3 replies)
  32. DYI multi-CFL-hood with remote ballast box (14 replies)
  33. Tube lighting question (3 replies)
  34. Galaxy Select a watt 1000 ballasts don't work with metal halide bulbs (0 replies)
  35. PHILIPS D-PAPILLON SET 350W (2 replies)
  36. is it really a waste? (0 replies)
  37. Lokking for the best non-air cooled reflector? (16 replies)
  38. LED vs T-5 for veg (10 replies)
  39. When running at 600w on a 1000w dimmable ballast, what amps? (1 replies)
  40. changed bulbs= no juice? (0 replies)
  41. light mover? (15 replies)
  42. HCI / CDM - Noise ? (1 replies)
  43. Homebox Mini=30cmx30cm x60cm high - lights? (8 replies)
  44. How much BTU per 1k Light? (4 replies)
  45. Generic t5s....are they any good? (5 replies)
  46. 300w dual spec cfl (0 replies)
  47. Wattage Vegetative Stage (0 replies)
  48. CFL Advice Please (4 replies)
  49. 150W Electronic ballast with Superlumens (2 replies)
  50. Fully Enclosed (Hooded) Cool Tubes (11 replies)
  51. Philips shows breakthrough 200 lumens/watt warm white LED lamp (4 replies)
  52. upgrading (5 replies)
  53. Quick T5 Question (0 replies)
  54. UVB bulbs (3 replies)
  55. HPS/CFL Question (3 replies)
  56. Electrical - flip flop diy question (relay?) (18 replies)
  57. MORE POWER and cheap LED grow light (0 replies)
  58. What are the best balasts out there? (49 replies)
  59. ipowe/apollo for 2x2/3 (4 replies)
  60. 24 hr VEG? or 18 hr VEG? (45 replies)
  61. Why are all your bulbs so far away from the plant ? (19 replies)
  62. 10 x 1000 watt Please help ! LOL (8 replies)
  63. 1000w or 600w 4x4? (3 replies)
  64. Turn up the lights! (3 replies)
  65. Light distance (1 replies)
  66. Parabolic light reflector (26 replies)
  67. OK, 648w of t5 OR 1000w hps? HELP OPINIONS NEEDED! (23 replies)
  68. Dramatic 1000W HPS Bulb Death... (1 replies)
  69. Green Led's (14 replies)
  70. question about what t5 floro would be best for my, setup (0 replies)
  71. What would YOU do? Flower room lighting (7 replies)
  72. EMF: Maybe of interest? (2 replies)
  73. iGROW Induction Lighting (13 replies)
  74. 2x18w neon problem (0 replies)
  75. using T5 for a hidden grow (1 replies)
  76. Dimmable ballast. (1 replies)
  77. Vertical or horizontal? (34 replies)
  78. Cant decide on which XXXL hood id like (26 replies)
  79. Ballast Problem continuing (13 replies)
  80. In praise of Lumatek (0 replies)
  81. A question for the T5 vegging people (14 replies)
  82. my 4 x 24w short t5 is getin my lil veg cube area way to hot! plz help! (29 replies)
  83. Induction, HPS & T5 Tent (5 replies)
  84. LED TEST GROW (4 replies)
  85. Cutting down on power (14 replies)
  86. Are HYDROWGROW LED LIGHTS a bogus Company? (8 replies)
  87. deciding what T5 to get! (13 replies)
  88. night vision camera in flower (4 replies)
  89. Thoughts on these PLL Bulbs? (9 replies)
  90. Photosynthesis . . . (3 replies)
  91. Single light vs multiple light source (84 replies)
  92. need help to figure out what guage electrical wire to use for my grow lights (8 replies)
  93. alternating lights (10 replies)
  94. Light rail ? (3 replies)
  95. 24K Lighting Controls (23 replies)
  96. 400w magnetic hps ballast questions (28 replies)
  97. need 'help' with switchable 1000w (4 replies)
  98. PurGro 1K4 Flip Ballast? (5 replies)
  99. What kind/gauge of timer, cords should 2 1000w hps's be running on for safety? (2 replies)
  100. Ballast problem (6 replies)
  101. need help (7 replies)
  102. coltivazione prima esperienza aiuto (2 replies)
  103. Digital Ballast EMI (23 replies)
  104. Best flourescent fixture (0 replies)
  105. Lighting advice for my new room (HELP!) (6 replies)
  106. How To Connect SON-T-to Balast-to Reflector ? (14 replies)
  107. PLL ballast questions (1 replies)
  108. PLL ballast questions, (0 replies)
  109. which 150w HPS? (6 replies)
  110. T8 Fire Hazard for U-Bend Fluorescents (1 replies)
  111. Vegging under 600w Halide sunmaster (6 replies)
  112. T5HO seems to be hot. Normal? (0 replies)
  113. Totally dark during? veg. face? (9 replies)
  114. Short term 24 hour light cycles (0 replies)
  115. 3 days into flower, can I go back to veg? (5 replies)
  116. WARNING!! HIGH WATTAGE BLUE and WHITE LED!! (4 replies)
  117. rethinking my 400w MH (3 replies)
  118. your veg cycle? question. (4 replies)
  119. Veg trees with LED? (4 replies)
  120. When to flip from propagation to full veg? (19 replies)
  121. Reflector importance (3 replies)
  122. pro grow led (2 replies)
  123. growing 135 watt LED (2 replies)
  124. 240 volt circuit question (5 replies)
  125. 400w in a Small Space? (13 replies)
  126. Apollo 600w HPS/MH Switchable/Dimmable Review (62 replies)
  127. 150 w hps how many plants ? (6 replies)
  128. my plants are strange (5 replies)
  129. 150w Metal Halide bulbs? (2 replies)
  130. UVL T5 V-HO Super Actinic Bulb 420NM (4 replies)
  131. single row staggered lighting (2 replies)
  132. Anyone have experience using Bell Hoods? (3 replies)
  133. 250 HPS good enuf or 400? (19 replies)
  134. Do CFL's lose lumen output? (7 replies)
  135. T5 bulbs (6 replies)
  136. digilux bulbs any good? (20 replies)
  137. At what point will i need to vent my lamps outside? (10 replies)
  138. GAVITA Pro 600 US Electronic Ballast (5 replies)
  139. lighting questions. (4 replies)
  140. For large grow houses, what is the most commonly used hood? (5 replies)
  141. Help! Lights not working in flower! (6 replies)
  142. The best reflector without ventilation (7 replies)
  143. New Led Light (4 replies)
  144. hps and mh bulb question (2 replies)
  145. Wiping down CFL's (4 replies)
  146. Super Sun 6 Inch reflector question r they any good? (11 replies)
  147. SolisTek 400 watt ballaist (16 replies)
  148. deciding on a new 600W ballast (15 replies)
  149. # of T5's per 4 by 8 table (16 replies)
  150. T5 bulbs? (8 replies)
  151. need a new bulb (18 replies)
  152. New material for warm-white LEDs invented (0 replies)
  153. To Much Lighting? (19 replies)
  154. anyone seen this new remote phosphor light? (0 replies)
  155. Is a contactor relay needed to power 6 x 200W CFLs (3 replies)
  156. Who makes your favorite Magnetic Ballasts? (33 replies)
  157. what do you guys use for Flowering (8 replies)
  158. 50 watt Plasma (9 replies)
  159. Grow Lights & The Inverse Square Law (0 replies)
  160. Perpetual grow - different spectrums for different flowering phases? (15 replies)
  161. How many Watts can I have? (14 replies)
  162. Small ceramic mh bulbs any use (5 replies)
  163. What material should i use making my diy T8 light fixture? (6 replies)
  164. Replacing HPS Bulbs (28 replies)
  165. color spectrum in dimmed bulbs (3 replies)
  166. veg light v.s flowring lighting question (17 replies)
  167. Additional PL-L question (2 replies)
  168. light question (3 replies)
  169. energy (4 replies)
  170. lighting question (2 replies)
  171. how many in a closet (3 replies)
  172. using an reflector with a bigger light? (1 replies)
  173. will this be enoff light? (4 replies)
  174. Power consumption and suspicion from the electric company/law (12 replies)
  175. PurGro 1K4 Ballast (2 replies)
  176. cheap light for hydro (4 replies)
  177. pll help (2 replies)
  178. Wondering about CFL growing (6 replies)
  179. air cooled cfl ballasts! (2 replies)
  180. Blackstar 180 internal shot (2 replies)
  181. Solistek ballasts? 1000w (32 replies)
  182. 600w vs Plasma for veg (1 replies)
  183. Hid Bulb Cleaning? (3 replies)
  184. Energy Saving Linear Halogen Lamps any good (3 replies)
  185. T5 Club... Show Us Your Stuff... (801 replies)
  186. How Often To Change Fluoros-T12s (2 replies)
  187. Blockbuster or Blazer ? (9 replies)
  188. Need help of peeps smarter than me.. (7 replies)
  189. 96w diy LED grow light. (6 replies)
  190. PLL dudes I need some help. (4 replies)
  191. Questions about 126 watt penetrater LED light (4 replies)
  192. which 100ow halides lamps safe/best for digital ballast (4 replies)
  193. Power Box DPC-7500 Lighting Controller (6 replies)
  194. 1000w question (8 replies)
  195. Electrical question (11 replies)
  196. Bulb Size for 8x8x5 (0 replies)
  197. home made reflector (11 replies)
  198. Is my 1000 watt too much? (11 replies)
  199. 1k hps which, set-up. (6 replies)
  200. Sunpulse out of Buisness ? (4 replies)
  201. If only one, which MH bulb ??? (11 replies)
  202. MEtal halide/s making weard tinging noise... (19 replies)
  203. extreme blue spectrum halides? (11 replies)
  204. 3kw worth of lighting nearly $2000? Do I suck at shopping or should I rethink layout? (46 replies)
  205. hpl ballast with hps bulb (1 replies)
  206. Recs on using this 48" aquarium fixture (2x250w 20k HQI, 4xT5HO Actinic) for veg roo (7 replies)
  207. new lighting ?? (1 replies)
  208. Goodbye, fluorescent light bulbs: New lighting technology won't flicker, shatter or b (6 replies)
  209. Lamps proel wood 36w UV (0 replies)
  210. The dabber's weird led questions thread (0 replies)
  211. best led products atm? (43 replies)
  212. am I being stupid or is this a great idea? (9 replies)
  213. simple lighting question (2 replies)
  214. Electrical Question (8 replies)
  215. Upgrade from 1k to 8k. (31 replies)
  216. 600's or 1000's ?? (22 replies)
  217. Super Grow LED (3 replies)
  218. led,s (3 replies)
  219. HPS Vs Dual Spectrum (0 replies)
  220. Best Open Reflector for HID? (17 replies)
  221. Best option to veg 32 plants in 4x4 foot print (6 replies)
  222. Will this relay work? (35 replies)
  223. 250w Proble m - fires MH but not HPS? (2 replies)
  224. UFOs or PANEL leds ? question for led expertss (7 replies)
  225. CFL vs MH (2 replies)
  226. Growlite OG Vertical Sealed Hood (12 replies)
  227. T5 HO bulb replacement, best brands? (18 replies)
  228. 150w cmh or conversion bulb for 150w hps ballast? (4 replies)
  229. light shift (3 replies)
  230. VEG Lights.Which is the most efficient and which produces the best CFL,T5,MH,HPS,LED? (30 replies)
  231. 150W ballast CMH help (5 replies)
  232. AN Badass bulbs vs Eye Hortilux (18 replies)
  233. Will fluorescents help supplement my LED? (22 replies)
  234. When do I hit my plants with 1000w? (6 replies)
  235. Add red CFL to MH cabinet? (0 replies)
  236. Will my plants be okay? (6 replies)
  237. Lamps to use with Lumatek 1000w ballasts (12 replies)
  238. Confusing High Bay MH Balast (3 replies)
  239. Flip-flop electrical question (6 replies)
  240. LEP ?? (4 replies)
  241. Grow Light Options Discussion (1 replies)
  242. Light leaking during vegetative dark hours (12 replies)
  243. 400W HPS Bulb from seed to weed (2 replies)
  244. Magnetic - Digital socket (11 replies)
  245. Do LEDs really stop stretching (6 replies)
  246. Need help deciding which lighting to go with in a small grow tent (10 replies)
  247. Grow box help (5 replies)
  248. How to Properly Use Dimming Feature? (9 replies)
  249. Help!!! fuse in lumatek ballast keeps breaking (14 replies)
  250. Converting from CFL to HPS (10 replies)