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UK420 > Cultivation > Growroom Design > Lighting
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  1. My lighting (4 replies)
  2. led lighting (4 replies)
  3. 2 X 55w T5 for clonning&mom rooms (39 replies)
  4. Mantis V's Grostar (10 replies)
  5. Running your attic grow on extension cables (16 replies)
  6. l.e.d query (3 replies)
  7. 600 w from the offset? (9 replies)
  8. what spectrum MH lamp ? (2 replies)
  9. cold air direct onto 600w HPS (6 replies)
  10. Can I use my existing shade with a new 600w ballast? (5 replies)
  11. do digital ballasts still need a contactor? (18 replies)
  12. new room, lighting suggestins kneeded asap, please help (1 reply)
  13. Ballasts Question plz (6 replies)
  14. Anyone Using A 600w Ventronic Digital (11 replies)
  15. generators (5 replies)
  16. 600w HPS too much? (5 replies)
  17. Mixed Lights & 24hr Vegging (4 replies)
  18. Thoughts and experiences with parabolic reflectors (4 replies)
  19. Kinky grolux 400w (3 replies)
  20. what are the time benefits of a seperate veg box (33 replies)
  21. Remote ballasts, timers etc. (0 replies)
  22. pros and cons of T5 Lighting (5 replies)
  23. aircooled supernova v growstar (7 replies)
  24. 600w HPS , whats your ideal room size for it ??? (26 replies)
  25. Lighting at a Local Grow Shop. (4 replies)
  26. dodgy startup of 250 hps (3 replies)
  27. Help me choose. (12 replies)
  28. Ceramic Metal Halide Lamps (15 replies)
  29. Best fluorescents? (4 replies)
  30. 4 Pin CFL fittings? (6 replies)
  31. Do i need to move my plants around? (12 replies)
  32. Hortilux , Another HPS thread (3 replies)
  33. BAL electronic ballasts... (15 replies)
  34. 125 WT FL (3 replies)
  35. Inductive load of Enviro's. (2 replies)
  36. how many of you are growing with household cfl's (2 replies)
  37. New veg light doubled my leccy bill! (10 replies)
  38. GrowLush Digi Ballast Question (3 replies)
  39. Bright wing or PL2 hmm which one (3 replies)
  40. maxibright relay con (0 replies)
  41. help with wiring grow shed (1 reply)
  42. Put my mind to rest please! (4 replies)
  43. Growing with CFL's (22 replies)
  44. nebulas (0 replies)
  45. bulb failure (21 replies)
  46. 250 watt??? (3 replies)
  47. Are these Ok for bonsai mums (4 replies)
  48. air cooled tube/sock (2 replies)
  49. my light (5 replies)
  50. contactor question (3 replies)
  51. lightwave t5 8 bulb (5 replies)
  52. Fluorescent Tubes (19 replies)
  53. 250W hps in loft? (5 replies)
  54. Scientists invent £2 energy saving lightbulb, (3 replies)
  55. Yet another electrical question... (7 replies)
  56. which one?? (4 replies)
  57. 400W + 250W in Homebox (2 replies)
  58. distance from parabolic reflector to plant advise (2 replies)
  59. got some questions about lights and exhausts, (3 replies)
  60. 400w uv light (9 replies)
  61. Where is the best place to buy a Contactor? (8 replies)
  62. compact fluorescents (4 replies)
  63. 250w 2700K Envirolite Red Spectrum Super Lamp (6 replies)
  64. Anyone heard of Venture Hps lamps? (6 replies)
  65. Cleaning a reflector (3 replies)
  66. MH and HPS same balast? (0 replies)
  67. switching bulb weekly between MH and HPS during flowing (17 replies)
  68. dead vegging light,any ideas?? (4 replies)
  69. Light info please :) (12 replies)
  70. diamond reflector Vs dutch barn type? (15 replies)
  71. Got Electrocuted Earlier (45 replies)
  72. Eco lights lifespan (4 replies)
  73. 55w flouro tube lifespan (5 replies)
  74. cheaspest lights from uk distributer (2 replies)
  75. do you think this will work? (5 replies)
  76. Best reflector for a 1000w Lamp? (8 replies)
  77. How to safely handle 4-6K watts (18 replies)
  78. CFL bulbs. (2 replies)
  79. Which fluoros and where to buy please (6 replies)
  80. what exactly is a cfl ? (6 replies)
  81. What are the dangers of this? (18 replies)
  82. Red flouro for veg?? How shit is it? (3 replies)
  83. Infrared at lights out (2 replies)
  84. Phillips Son T Plus 600watt (4 replies)
  85. Bulb not firing.. First time today? (4 replies)
  86. is it worth adding a 150w mh floodlight to 400w hps? (4 replies)
  87. Heat Shields. (4 replies)
  88. sylvania.HPS. 400w strange on...off thang (0 replies)
  89. maxiswitch two way controller (27 replies)
  90. lowryder cupboard grow (1 reply)
  91. autoflowerers: 2700K/6400K or both (4 replies)
  92. does a 250w HPS need a timer contactor? (10 replies)
  93. enviro+hps? (3 replies)
  94. digi ballast and cooltube (3 replies)
  95. CFL Spectrum and flowering (1 reply)
  96. The Lightbulb Of The Future? (53 replies)
  97. Street lights (15 replies)
  98. am I in trouble? (2 replies)
  99. 21:36/12 regime (15 replies)
  100. What is the lifespan of a 600w hps (16 replies)
  101. dual spectrum CFL's (0 replies)
  102. Cheap vegging light (4 replies)
  103. Which 600w For Flowering. (3 replies)
  104. Does lighting make you feel ill? (11 replies)
  105. Envirolite 200 w dual (2 replies)
  106. Ballast failure (6 replies)
  107. HPS bulbs and black spots (4 replies)
  108. hps and hid (9 replies)
  109. cooltube (2 replies)
  110. Moved: sensi seeds feminised (-- replies)
  111. heat shield (3 replies)
  112. Most Efficient HPS bulbs? (14 replies)
  113. worth doing? (7 replies)
  114. How far 250 watt cf (4 replies)
  115. UV rays (126 replies)
  116. FS extreme (3 replies)
  117. quick lighting Q (3 replies)
  118. Blue and Red Led's (17 replies)
  119. fixin' digi ballasts (5 replies)
  120. Aerocloner lighting (5 replies)
  121. what watt? (1 reply)
  122. HPS BULBS (3 replies)
  123. Led grow light (16 replies)
  124. Osram Nav t super 600w (7 replies)
  125. Advice needed from an electrician for a loft grow. (8 replies)
  126. do standard ballasts become less efficient as they age? (5 replies)
  127. what is the life span of a hid? (6 replies)
  128. growing on windowsill (1 reply)
  129. hps light wont come on (12 replies)
  130. Price of electric for the lights i have? (11 replies)
  131. maxiswitch 13a (rt) control unit. (4 replies)
  132. Wiring problems !!. (22 replies)
  133. 400w ballast run 600w bulb?!?! (9 replies)
  134. Contactors and extension leads (5 replies)
  135. Problem wiring up cooltube. (2 replies)
  136. Do i need a light controller for a 250w enviro (3 replies)
  137. 125w Daylight Envirolites (9 replies)
  138. can a 600 bulb be run with a 400 ballase (2 replies)
  139. Need some advice! (7 replies)
  140. Wattage for clones & mums (7 replies)
  141. 250 watt pro v ballast (4 replies)
  142. Sunmaster Digital Control - size? noise? review? (2 replies)
  143. how far away should i have the 400 watt hid (7 replies)
  144. Just sayin hi and start off with my first couple of Q's (1 reply)
  145. 11hrs 45mins on? (8 replies)
  146. ballast discharge (2 replies)
  147. could my tent handle my light without the cooltube? (5 replies)
  148. Colour Spectrum of CFLs (2 replies)
  149. Funny smell coming from shade (10 replies)
  150. 1000 watt on light rail - how much coverage? (2 replies)
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