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  1. Anyone tried YUJI LEDS? 96 CRI, Supposedly As Close To The Sun As LEDs Get. (2 replies)
  2. Pacific light concepts LED (0 replies)
  3. PPFD calculation (1 replies)
  4. Feedback on low height LED setup sought (10 replies)
  5. Chinese COBs? (10 replies)
  6. Cali light works 275 full spectrum or 550 veg? (3 replies)
  7. 1750k Vero & Timber Grow Lights (9 replies)
  8. Advanced Platinum Led (1 replies)
  9. New Type of LED? (5 replies)
  10. Why do some LED lights look white while others are 'blurple'? (7 replies)
  11. Switching to LED, Advice? (29 replies)
  12. Was working in the grow room the other day... (0 replies)
  13. LED flickering (4 replies)
  14. Small LED kits (13 replies)
  15. Lighting schedules. (10 replies)
  16. Screw in led bulbs (2 replies)
  17. Mixing K Values (9 replies)
  18. New LED Lighting Co. (8 replies)
  19. High Bay/UFO LED Light for horticulture. (1 replies)
  20. Digital timer to control various leds (3 replies)
  21. Calculating the driver i need on my led setup (2 replies)
  22. lighting a 2x3 tent (8 replies)
  23. Would this 25 dollar pre-owned commercial 400W grow light do? (3 replies)
  24. Samsung COB LED Setup (1 replies)
  25. KK's LED grow show (54 replies)
  26. Cree CXB 3590 grow results? (14 replies)
  27. Best LED (1 replies)
  28. Will Switch in Spectrum Cause Shock? (3 replies)
  29. Wanting to buy a LED Setup for Vegging and Flowring (10 replies)
  30. News ti buy 300w led light with dimmer (2 replies)
  31. 7 plants under NextLight Mega. (36 replies)
  32. IckyBud LED Prototype(bring your sunglasses) (67 replies)
  33. Warmwhites PPFD vs Coolwhites PPFD (0 replies)
  34. building DIY, help deciding on LED diodes (2 replies)
  35. MIGRO 600 - Unboxing, Setup, Impressions (18 replies)
  36. Best deal Screw in LED I could buy today at a store? (3 replies)
  37. How many watts LED to equal yield of 250 hps? (29 replies)
  38. LED / COB for A 3 x 3 - help me choose please (34 replies)
  39. Viparspectra? (26 replies)
  40. Black Dog 600w vs Gavita 1000w (5 replies)
  41. CXB3950 / 36v vs. 72v (3 replies)
  42. Any Electrical Engineers Playing with LEDs? (12 replies)
  43. Interesting YouTube experimenting with LEDs (0 replies)
  44. Parallel COBs -- Undervolting to equalize current draw in each COB (1 replies)
  45. 2500w of Samsung QB (23 replies)
  46. Reasonable LED (1 replies)
  47. Passive Heatsink (1 replies)
  48. Samsung hard strips - Anyone ever seen any small length ones? (18 replies)
  49. Is dimmable LEDs light good for seedlings/clones (2 replies)
  50. Looking for help with COB build for PC case (6 replies)
  51. Choosing a COB: Cree CXB3590, Citizen CLU048 & Vero29 G7's (31 replies)
  52. Cob Led's vs Hid's and Infrared Detection (1 replies)
  53. Why dim leds? i dont get it! (5 replies)
  54. Possible to use an LED light bar for car/truck ? (2 replies)
  55. Small led for veg, any recommendations? (3 replies)
  56. PAR16 LED lamps: Good for Growing? (1 replies)
  57. PPFD calculations (4 replies)
  58. AGRO -LED. Anyone with knowledge? (0 replies)
  59. Help me chose led light (6 replies)
  60. FYI : VIPARSPECTRA 300w : $80 : Amazon (2 replies)
  61. Considering DIY LED as supplement for HPS (0 replies)
  62. PC Microgrow wattage / LED type advice (8 replies)
  63. Programmable Spectrum Noob Question (2 replies)
  64. The stuff I get up to (8 replies)
  65. watt/volt/amp questions (2 replies)
  66. Reasonably priced effective LED lights (12 replies)
  67. Best LEDs Fluence SpydrXPlus v Horticulture HLG 550 (5 replies)
  68. lighting a 4x8 DIY vs URSA vs Cirrus 1k (10 replies)
  69. Blackdog led Vs HID - ambient temp Vs leaf temp (2 replies)
  70. LED lamp fans not working - anyone familiar with this sort of wiring? (17 replies)
  71. Full spectrum LEDs cs normal LEDs? (6 replies)
  72. Samsung LM561C flexible strips (16 replies)
  73. Samsung LM561C two channel 100w PC Board (59 replies)
  74. Supplemental Lighting ?? for Cree 3590s (0 replies)
  75. COB Chip Integrated Smart IC Driver (23 replies)
  76. Free LED's, I couldn't resist (13 replies)
  77. Advice on homemade COB LED grow light (19 replies)
  78. What LEDS are these? (8 replies)
  79. LED for supplemental lighting. (8 replies)
  80. Cob Led diy (5 replies)
  81. New full spectrum Cree CXB hybrid (8 replies)
  82. Advice to grow with leds (3 replies)
  83. Advice to grow in soil with leds (1 replies)
  84. I want to build a modern 300w LED rig to side-by-side with my old Mars 300w (1 replies)
  85. Vero 29 gen 7 68v (15 replies)
  86. Grow room temps for LED grows (22 replies)
  87. 3590 / 3070 or FULL spectrum led... help deciding (12 replies)
  88. Lap Does LEDs - My DIY Quantum Board Cabinet (210 replies)
  89. My DIY Quantum Board/SPYDRx fixture (18 replies)
  90. help from american grower to choose a led panel (43 replies)
  91. Light height? 5000k led philips bulbs - clones (5 replies)
  92. Small LED panel (4 replies)
  93. CIU048-1212 3000k advice pls (4 replies)
  94. 2 meanwell 600h-54A in series? (7 replies)
  95. Which led light is affordable? (27 replies)
  96. I want to switch to leds looking for recommendations (13 replies)
  97. Which UVA spectrum? (2 replies)
  98. Two questions: height & blurple/full spectrum (26 replies)
  99. King Plus double chip LED? (12 replies)
  100. China LED Supplies... (26 replies)
  101. Driver replacement advice (0 replies)
  102. Calling all DIY LED Gurus: New Challenge(?) (45 replies)
  103. Strain responding well to excess uvb (3 replies)
  104. Has anyone realized coral reef lights can be used for veg? (2 replies)
  105. 3w diodes vs CXB3590: Are they really that much better? (14 replies)
  106. Anyone heard of, or used these people before? (4 replies)
  107. YUP, ... The need to cool LED's (7 replies)
  108. Vero 29 Gen 7 Build/Grow/Comparison (38 replies)
  109. LED FROM COSTCO. (68 replies)
  110. Looking for Quality PAR Meter - features for testing bought COB Array (4 replies)
  111. Custom COB - Help with Array Build - drilling, cutting, material (5 replies)
  112. What light produced the highest quality flowers? (14 replies)
  113. Little help here? (5 replies)
  114. A few cob questions (4 replies)
  115. What's the best light I could get? (24 replies)
  116. Cxb3590 perfect kelvin spectrum (20 replies)
  117. My 400W Citizen 1812 setup (2 replies)
  118. My 1000 watt Vero 29 Gen 7 LED Build (26 replies)
  119. Honest questions for the LED pros from an experienced grower.. (18 replies)
  120. Help, I need a designated driver....LED driver that is. (1 replies)
  121. LED Wavelengths (27 replies)
  122. Store bought LED bulbs what K for veg? (10 replies)
  123. Light reader, PAR meter, Optical Spectrometer? (5 replies)
  124. Replace my 600hps Suggestions pls (3 replies)
  125. Looking to replace my 650W HPS setup for a 3x3. Citi 1212, 1218, 1825, or Vero ? (2 replies)
  126. Lighting up a 4x8 tent (7 replies)
  127. Placing 300w LED Panel OUTSIDE clear plastic grow box? (7 replies)
  128. Help with DIY COB (1 replies)
  129. DIY Vero 29 x 4 Build (115 replies)
  130. 100W Quantum board grow (7 replies)
  131. Mau5 kit, 2 technical questions (30 replies)
  132. 3000W of COBS 8x8 with ethos collective and exotic genetix (139 replies)
  133. Led light schedule! (8 replies)
  134. 320w P.L. Hortiled Top Cannablüm (29 replies)
  135. New here need some advice from you L.E.D. kings (7 replies)
  136. Building COB LEDs. How far apart should I space them? (8 replies)
  137. Help! Give me an advice about 1000€ LED Panel (6 replies)
  138. 1st build ~200w COB veg light (6 replies)
  139. Amare SE450+uvb (37 replies)
  140. changing my 600w hps to led.. (33 replies)
  141. SPYDRX PLUS (73 replies)
  142. 1 or 2 LEDS for tent (2 replies)
  143. Full spectrum (17 replies)
  144. VIPARSPECTRA or MarsHydro (92 replies)
  145. Working under LED difficult (7 replies)
  146. Hybrid 630w LEC and 400 Watts LEDS (1 replies)
  147. Spectrum King LED Series 400+ 400 plus (5 replies)
  148. DIY modified version of the Cree Horticulture Reference Design LED grow light (25 replies)
  149. What driver for 5x vero29s? (5 replies)
  150. darkroom 60 at approx 200watt LED (1 replies)
  151. Amare SP900's (25 replies)
  152. Help me choosing the right COB setup (9 replies)
  153. Mounting COB heatsink flush? (3 replies)
  154. Changing over to cobs need some help (14 replies)
  155. Switching from HPS to LED during flower? (7 replies)
  156. Need help: Nano sized LED Screw in to Flush Mount Heatsink Help (2 replies)
  157. hanging distance for cxb3590 running soft (4 replies)
  158. anyone using VIPARSPECTRA Reflector-Series 600W LED (5 replies)
  159. 3w led chips (1 replies)
  160. How hard have the eBay 100 watt LED COB's been pushed? (10 replies)
  161. Caution: Stay away from HydroponicsHut.com, my story... (6 replies)
  162. screw in led bulbs, mounting them vertical? (7 replies)
  163. 5630 LED Strips are working for veg...microgrow (5 replies)
  164. Matching differnt LED drivers and dimming your hotspots (10 replies)
  165. LED drivers, and the ablity to run a sinlge CXB (2 replies)
  166. URSA - 2017 4/20 SALE! (95 replies)
  167. Meanwell HLG-600H-48A - $135 (1 replies)
  168. DIY LED CXB3590 2700K 32VDC X 6 (grow light) (86 replies)
  169. My DIY Veg COB array (33 replies)
  170. nextlight mega (2 replies)
  171. Driver & COB Match (4 replies)
  172. Need advice with cree CXB3590 LED light build (11 replies)
  173. G8 LED Light Failing (4 replies)
  174. 630 actual watts 4x4 Grow (10 replies)
  175. PPFD of DIY CXB3590 (19 replies)
  176. Eager to DIY - guidance needed (1 replies)
  177. Any reasonable way to use Cobs/led for 3x3 veg/flower under $250? (12 replies)
  178. Which Cree LEDs? (1 replies)
  179. LED Floodlight COB Chip, Integrated Smart IC Driver (0 replies)
  180. Truth Lighting LED (7 replies)
  181. My $30, 20w DIY LED (27 replies)
  182. COB Distance from colas (20 replies)
  183. Quantum Boards (71 replies)
  184. Cheap LEDs on Amazon? (7 replies)
  185. Lighting Plants to Sleep (1 replies)
  186. LED newbie advice pls (33 replies)
  187. Mylar for LED growbox, worth it? (14 replies)
  188. Help with frame? (4 replies)
  189. Kessil h380 halo ii (3 replies)
  190. LED COB for pc micro grow (19 replies)
  191. DIY COB LED (5 replies)
  192. VIPARSPECTRA 300W LED??? (3 replies)
  193. UV light (3 replies)
  194. Seedlings under 400w Roleadro COB - Is 24" a good height? (2 replies)
  195. mars hydro cree 128 (4 replies)
  196. Need advice; 200W for VEG ROOM.... (11 replies)
  197. Vero gen 7 availability (and help choosing power equipment)? (3 replies)
  198. How to connect multiple E27 sockets together for screw in LED bulbs? (8 replies)
  199. CXP-420 from PLC (10 replies)
  200. DIY GROW LED-LED FAI DA TE (8 replies)
  201. California Lightworks (10 replies)
  202. Anyone here tried 50W FULL spec - E27 sockets.. cheap (2 replies)
  203. CXB3590 vs MH/HPS vs 650W ChilLED (102 replies)
  204. 200w Led flood light question. (14 replies)
  205. Cobledcanada.com (5 replies)
  206. Need advice designing LED for 4 X 8 tent. (5 replies)
  207. Are these leds viable for cheap lighting? (10 replies)
  208. LED GROWLIGHT: The buyers Guide. (6 replies)
  209. Almost DIY (1 replies)
  210. DIY COB Light Heat Logging and Management Application (13 replies)
  211. Help! Something's wrong with my light! (35 replies)
  212. Looking For Affordable LED Lights (100 replies)
  213. 180X3W 313 watts custom led (14 replies)
  214. Led lampada (4 replies)
  215. Calling All LED experts! (5 replies)
  216. Daisy Chainable LED Fixtures (4 replies)
  217. Any new CREE COBs coming out? (30 replies)
  218. DIY LED PORN (66 replies)
  219. Anyone dealt with www.cobkits.com? (9 replies)
  220. ICMAG ONLY - Helios GT 320W Promotion - 40% OFF - VERY LIMITED (20 replies)
  221. LED light company (15 replies)
  222. MeanWell CEN-75-36 , 2xCOBS? (5 replies)
  223. Cree COB distances and power from seedling? (9 replies)
  224. 4x4 question (2 replies)
  225. Diy vertical LED grow light (17 replies)
  226. What strength to veg at? (16 replies)
  227. 3620 Watts Starlite LED Grow By Krunchbubble... (131 replies)
  228. Satori Hour (4 replies)
  229. 500w Cree CXA2 Studio 93 CRI (31 replies)
  230. Over Utilizing LED Driver? (21 replies)
  231. New box (23 replies)
  232. New cab n lights (4 replies)
  233. spectrum King LED 100w (5 replies)
  234. Help me choose LED for 2ft x 5ft (60cm x 150cm) space (26 replies)
  235. 709-HLG240H-C1050B + 50k potentiometer? (3 replies)
  236. Need help setting up a 2x2 tent with COD leds (would like to make a build journal) (12 replies)
  237. 2x 300w or 1 600w mars hydro (12 replies)
  238. Alternative COB LED Grow (5 replies)
  239. COB LED Question (8 replies)
  240. Cree XP-G3 / XP-E diy discrete diode panel (36 replies)
  241. Want LED Grow Lights For Free? (8 replies)
  242. 3500K 8 cob 3590 light 1.4 amps (104 replies)
  243. CXA3070 Supplemental Footprint (2 replies)
  244. Looking for opinions/suggestions on hydro system (9 replies)
  245. Gas Lantern light schedule (8 replies)
  246. lowering current by using 2 cobs in paraelle (2 replies)
  247. Far red leds (730 nm)? (65 replies)
  248. Looking for a small led for a few mothers. (0 replies)
  249. Spydr X Plus (~660 watts) or D.I.Y Cree CXB3950 ~660 watts (5 replies)
  250. Heat Constraints With LED (15 replies)