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  1. Adding Bloom spectrum T5 to cxb3590 (0 replies)
  2. ceramic metal halides without uvb filter (14 replies)
  3. Can anyone share some experience with the hortilux Ceramic HPS? (3 replies)
  4. How to wire PL-L lamps with 6 output 2xballast (0 replies)
  5. Really dissapointed in Gavita (2 replies)
  6. Best 400mh bulb? (9 replies)
  7. Selecting bulbs for PL'L? (5 replies)
  8. 1000w DE buls vertical? (2 replies)
  9. Dimmed 1000w De? (9 replies)
  10. hydro crunch 315cmh bulbs -any opinions?? (10 replies)
  11. Veg lighting? 315CMH vs 400watt single bulb vs 150hps + 2x 100MH (12 replies)
  12. I was going to go with LED but.. (13 replies)
  13. Wing reflector/air cooled (0 replies)
  14. Plant numbers per T5 HO? (3 replies)
  15. LED propagation lighting upgrade questions. (7 replies)
  16. distance light-drivers (2 replies)
  17. Umol goals (5 replies)
  18. Lighting questions and help please (0 replies)
  19. 3 rooms + 1 phototron. Advice on bulbs? (0 replies)
  20. Magnetic ballast - flip flop - where to buy? (0 replies)
  21. Augmenting 315 cmh's with LED PAR or BR 30 or 38 Flood-Type Bulbs (7 replies)
  22. How much gram per hps 600 (22 replies)
  23. LEP (0 replies)
  24. Want to upgrade my old worn out mags (27 replies)
  25. What is optimum number of lumens at tops? (7 replies)
  26. Par pro hyper arc 1100w hps bulb (1 replies)
  27. GAVITA 1000 DE VS 750DE (11 replies)
  28. Budget friendly lighting for a 10x10 veg tent? (3 replies)
  29. Reorganization of lighting (1 replies)
  30. Old school 600w MH Mag ballast to drive 2x 315 Phillips cmh bulbs? (3 replies)
  31. MH vs HPS FINISH (14 replies)
  32. lighting up a 4x3.5ft tent (3 replies)
  33. Maxibright Horizon or Dimlux 315 (6 replies)
  34. Greenbeams or 630 de CMH for 200 sq ft of vegging space … (2 replies)
  35. Sunmaster Full Nova Metal Halide Bulb1000W (1 replies)
  36. Nanolux DE 1000w Distance to canopy questions (1 replies)
  37. Recommended Setup (11 replies)
  38. Anyone familiar with 315W Bersn ballasts? (0 replies)
  39. 600/750 questions (1 replies)
  40. Coldest temp of remotremote ballast room? (1 replies)
  41. EYE Hortilux new website! (3 replies)
  42. Cutting edge lighting for 10x10x8 CMH/HPS? (3 replies)
  43. The Future; Three spectrum/bulb system! (13 replies)
  44. Are this philips 360w CMH better than 315W ones? (24 replies)
  45. How much color shift on dimmed lights? (15 replies)
  46. 125w agrobrite blub fluorowing replacement for 250w mh (2 replies)
  47. My DIY LM561C Build for a 5x5 Tent (0 replies)
  48. Gavita - My layout options (0 replies)
  49. Phantom of the cycloptic (0 replies)
  50. Gavitas vs SE's with 4XL hoods (1 replies)
  51. 315 CMH distances (24 replies)
  52. Yield Decrease w/ DE HPS from SE HPS??? (22 replies)
  53. uhhhg apache 600 :/ (5 replies)
  54. Small Grow Room LED Lighting Help (1 replies)
  55. de for a tent? (42 replies)
  56. Sun System LEC 315 120v Light Emitting Ceramic Metal Halide Fixture w/ Free Ratchet L (1 replies)
  57. Is a 600w de hps too much par for plants to utilize? (7 replies)
  58. Can a DE reflector and bulb be plugged into a standard ballast? (1 replies)
  59. 3 x Gavita Pro 6/750e DE FLEX positioning (6 replies)
  60. Need help with wiring so I dont burn down my house (8 replies)
  61. shades of white color and their reflective properties (3 replies)
  62. Questions about matching CMH lights and ballasts (3 replies)
  63. Natralux 1000 w se with de arc tube (2 replies)
  64. 150w CMH/LEC/CDM setup questions (5 replies)
  65. Paralux DE 1000 (0 replies)
  66. Searching for HID Reflector Hood with parallel bulbs (5 replies)
  67. Ballast or bulb? (29 replies)
  68. Gavita 208v 3-phase (10 replies)
  69. Nanolux DE chill fixture (5 replies)
  70. 1000 watt in a 3x3 tent (5 replies)
  71. Sun System LEC 315w footprints (6 replies)
  72. Sun System LEC 315w footprints (1 replies)
  73. Nanolux Air Cooled DE all in one? (1 replies)
  74. Homemade AC Dual DE hps/10k finisher nanolux (1 replies)
  75. 1kw 4x8 tent lights? Gavita vs DEva vs PL Light vs Nanolux (26 replies)
  76. Mounting 300w LED Panel OUTSIDE clear plastic grow box? (1 replies)
  77. Finished my run with the 315w CMH. Week sauce! (66 replies)
  78. only good things about Apache Tech (2 replies)
  79. CMH vs Doble ended vs Single endend (135 replies)
  80. LED COB HOLDER HELP (5 replies)
  81. CMH - 945 watt DE Digilamp 2060 PAR? (37 replies)
  82. Is 630w de CMH too intense for 6ft ceilings? (36 replies)
  83. Metal Halide Ballast and Bulb (6 replies)
  84. Need a new veg light (0 replies)
  85. Changing the On/Off time of lights in flower. (33 replies)
  86. Small wattage CMH: 150 or 250W? (8 replies)
  87. 2 400 watt hps or 1 600 hps?? (14 replies)
  88. New Ushio HPS SE 1k Bulbs - 2100 PAR (30 replies)
  89. How many watts does a 600 watt hps consumes? (12 replies)
  90. Larger wattage CMH bulbs … (1 replies)
  91. 60x60x150 Max Lighting (5 replies)
  92. Hybrid 630W DE LEC and 400W LEDS (1 replies)
  93. Galaxy or nanolux? low rfi? (10 replies)
  94. DE Reflectors (1 replies)
  95. CMH, large LED or DE for new grow room (9 replies)
  96. What's a good value 1000w hps ballast? (13 replies)
  97. lec cmh and hps combo (2 replies)
  98. Anyone running nanolux 315? (0 replies)
  99. Best MH bulb for supplemental/side lighting (4 replies)
  100. Growing with Light Movers(LightRail)-2017 (29 replies)
  101. IPOWER DENOVA DOUBLE ENDED (GAVITA STYLE) (2 replies)
  102. Just digging through old stuff and found this old DIY hood (70 watt hps) (14 replies)
  103. Vegging with DE lights (3 replies)
  104. Rookie needing some lighting advice (4 replies)
  105. Alternating hps & led during lights on (5 replies)
  106. Can I run cold air through DE reflector? (0 replies)
  107. Would using Cat7 cables to combat RFI work for my homemade grow controller? (7 replies)
  108. Other DE options? (0 replies)
  109. 2 x 4 Tent LED or T5? (5 replies)
  110. Need help with wiring a lighting controller (2 replies)
  111. Double Ended vs Single Ended Lights (12 replies)
  112. Which 315 bulb to supplement Gavita 600e SE in flower? (3 replies)
  113. Dryer Outlet (7 replies)
  114. AM to PM flowering light cycle shift? (5 replies)
  115. ?? PAR Meters ?? (3 replies)
  116. Veg lighting question (4 replies)
  117. Need suggestions for "balancing" my lights. Have HID, MH, HPS, CDL, T5 (2 replies)
  118. LEDs (10 replies)
  119. Bulb fir flowering -lucalox 600w (1 replies)
  120. New incandescent tech, what does it mean for the future of grow lighting? (1 replies)
  121. AC/DE 8" Reflector in a grow tent? (8 replies)
  122. European vendors - CMH (0 replies)
  123. Need options on 600W/750W DE Fixtures for large basment grow - HELP (3 replies)
  124. dPapillon 315W Greenpower / Daylight (1 replies)
  125. Best light option for 7' ceilings? (1 replies)
  126. Hanging T5 Lights in a Tight Space (1 replies)
  127. Lighting for Apollo Tent? (6 replies)
  128. Kilowatt estimator (3 replies)
  129. question about stated lumens for various bulbs (10 replies)
  130. Gavita DE with your own ballast (0 replies)
  131. DE bulbs vertical? (11 replies)
  132. 600w Cooltube HPS in smaller area? (9 replies)
  133. Anyone using DE air cooled 1k's in SOG tents? (0 replies)
  134. HPS & MH light Ratios when used together..... (5 replies)
  135. Best T-5 Bulbs for flowering- Brand not Spectrum (12 replies)
  136. putting 2 bulbs in an adjust a wing (0 replies)
  137. Gavida layout for 36 sq ft. (5 replies)
  138. Where to buy bulk gavitas (6 replies)
  139. 1000w hortilux mh can't be used on e-ballasts? (0 replies)
  140. 3 x 315 W or 2 x 630 W of CMH (12 replies)
  141. Is my air conditioner overkill for my new lights (315 cmh) (0 replies)
  142. What's changed with Lighting (4 replies)
  143. Lec vs t5s heat questions (0 replies)
  144. Prism Lighting Science 315w ballast. (3 replies)
  145. Remote ballast for Philips GreenPower Plus 600 Watt EL lamp (1 replies)
  146. 10 x 10 room what Lighting would be optimal for flower (3 replies)
  147. Any reason 315w CMH can't run on hight freqency ballasts? (2 replies)
  148. SuperSun2 retrofit (1 replies)
  149. 315 CMH 3100K versus 4200K ? Does Grobal sell both? (3 replies)
  150. Gavita SR (small room) reflector (0 replies)
  151. Chameleon Plasma lights … (1 replies)
  152. Low Input Voltage Phantom Ballast (6 replies)
  153. 600w HPS sonlight noisy (2 replies)
  154. gpw 315cdm/3590cree (4 replies)
  155. SSR Relay Question (9 replies)
  156. Twelve 1k's or sixteen 750's? (2 replies)
  157. Light for 3x3 Tent- Reducing Heat (8 replies)
  158. MONSANTO MIRACLE-GRO JUST BOUGHT OUT GAVITA (21 replies)
  159. Need Recommendations For Lighting.. (11 replies)
  160. 315 cmh conversion kit (1 replies)
  161. Best 600 watt ballast on a budget (11 replies)
  162. Where to buy equipment in BC? (8 replies)
  163. What is biggest tent for 315cmh? (15 replies)
  164. intermitten ballasts not firing (0 replies)
  165. Light for 4x4 Tent (14 replies)
  166. Need help with finding LED dimmer and fan speed controller (3 replies)
  167. cmh bare bulb (0 replies)
  168. Lookin to buy 4 new 1 k digital ballast, what do you guys recommend? (4 replies)
  169. 600w hps in 80x80x160 (0 replies)
  170. LED or CMH (17 replies)
  171. nanolux double fixtures defnc-600x2 (3 replies)
  172. GAVITA EL-1 Lighting Controller driving me bananas! (3 replies)
  173. 400w hps heat Q (11 replies)
  174. What's the best ballast and lamp for 1000watt DE? (0 replies)
  175. CFL and T5 Ghetto Gardening/Budget Gardening/Micro Space Growing. (2 replies)
  176. New DE light won't fire. Help! (13 replies)
  177. 125w Blue Spectrum 6400k CFL (0 replies)
  178. 1000w Hortilux damaged? (12 replies)
  179. anyone here using Light Energ PREMIUM Switchable Ballast 1000W MH / HPS (3 replies)
  180. gavita pro-e 1000w 220v cord Q (2 replies)
  181. New Hortilux 600w CMH bulb (16 replies)
  182. Gavita 750 or 1000 in a 24kw room? (2 replies)
  183. Phantom commercial 1000w double ended run a SE Hortilux bulb? (2 replies)
  184. anyone knows HQI-T 400W/N Osram (0 replies)
  185. Dimmed bulbs shutting off mid cycle. (6 replies)
  186. 1 120/240 ballast, 1 240 hood, 1 120 hood (4 replies)
  187. Flush mounting Gavitas (0 replies)
  188. Greenbeams vs Phantom Test Part 1 (47 replies)
  189. Economic light for veg in a 1,2m2 tent (2 replies)
  190. Brass tax, no bullshit: Eye protection (10 replies)
  191. Testing HPS lights (4 replies)
  192. 315w lec/cmh vs. diy cob led (2 replies)
  193. Dehuey heat math (1 replies)
  194. Heads up on Nanolux DE bulbs (2 replies)
  195. How much difference in sealed hood vs naked bulb (0 replies)
  196. CMH 315 Cooling Requirement (16 replies)
  197. Hi new here some questions on lighting. (7 replies)
  198. used double ended bulb for testing purposes (3 replies)
  199. How much PAR and keeping plants happy............ (1 replies)
  200. Will Gavita EL2 run 600/760 Flex Lamps at different wattages? (0 replies)
  201. t5's took a $hit (11 replies)
  202. Outdoor guy needs lighting help (2 replies)
  203. Grow room Lighting (4 replies)
  204. Greenbeams vs. DE HPS (19 replies)
  205. veg lights for under $200? (11 replies)
  206. Ac/dc hood (1 replies)
  207. How much light is lost when reflected? (3 replies)
  208. can regular 120V outlet be upgraded to 240V?? (4 replies)
  209. LEC 315's (1 replies)
  210. Relay question, help! (3 replies)
  211. Microgrow, distance from 138w LED? (4 replies)
  212. 4x3 SPACE / 600 HPS / WHICH HOOD? (1 replies)
  213. powerbox-flipbox-can one bank be ran ? (1 replies)
  214. Spectrum King LED? (13 replies)
  215. how much light is too much with HPS? (11 replies)
  216. Bulb spectrum priority! (11 replies)
  217. A new way to look at yield (8 replies)
  218. 2700k for flowering or mix of 2700k and 5500k (4 replies)
  219. 2016 lighting dilemma... Help me decide!!! (17 replies)
  220. Maxibright DigiLight Pro Select 600W (4 replies)
  221. Air cooled reflector setup (1 replies)
  222. Build controller for 10+ CMH lights (0 replies)
  223. 300w cfl bulbs (10 replies)
  224. 6x9 scrog lighting (1 replies)
  225. New HPS Bulb won't start.. (5 replies)
  226. plasma lighting thread (7 replies)
  227. Gavita 150w DE HPS (1 replies)
  228. - 630w CMH comparison thread - (2 replies)
  229. Led veg mode at End of flower (1 replies)
  230. Gavita 600w HPS Sun system 315w LEC grow (0 replies)
  231. building a steel cabineet FMJ style. Wiring question. (3 replies)
  232. Best MH Bulb for UVA/UVB? (7 replies)
  233. Best Lighting Currently Available? (17 replies)
  234. Found an old post that says that CFL is better than HPS (14 replies)
  235. What light for my seedling/veg tent (greenhouse grow) (2 replies)
  236. Electrical problem?? (3 replies)
  237. A Tale of 2 LEDs: Enter the Clones (11 replies)
  238. Mars Hydro giving old panels away for cost of shipping to past customers (4 replies)
  239. Which UVB Lights? (5 replies)
  240. Electronic ballast, odd output plug (8 replies)
  241. old 100w HPS lamp and socket. danger? (1 replies)
  242. Vegging Lights Question (4 replies)
  243. Best LEDs just got better - BML transforms into Fluence (79 replies)
  244. UVA / UVB supplementation (14 replies)
  245. Htg 400w CMH anyone using? (12 replies)
  246. Adjustable grow room walls to concentrate light (11 replies)
  247. Which DE Bulb has the fullest red spectrum and highest umol output? (1 replies)
  248. Growlite OG - RECALL- risk of fire (0 replies)
  249. More evidence showing HPS is superior to CMH for bloom period. (30 replies)
  250. Lighting for 120x60cm SCROG (1 replies)