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UK420 > Cultivation > Growroom Design > Lighting
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  1. Pinned: lighting hint (86 replies)
  2. Pinned: Digital Ballasts And Lumens/lux? (245 replies)
  3. Pinned: Light Keeps Killing Timers (151 replies)
  4. Pinned: Total Lumens per Light (24 replies)
  5. Pinned: Lighting Requirements And Area Calculator (34 replies)
  6. Pinned: Disclaimer. (0 replies)
  7. growtech ballasts (0 replies)
  8. Cooltubes vs airhood etc (5 replies)
  9. About small wattage cfls (8 replies)
  10. how many plants under each 600w hps (10 replies)
  11. wireing a three phase plug (9 replies)
  12. Envirolites.. (72 replies)
  13. Contactor Relay (7 replies)
  14. weather proof outdoor security light (4 replies)
  15. New Timer/Contactor (5 replies)
  16. reflector? (4 replies)
  17. Good light for mother on a budget (7 replies)
  18. lamp life (7 replies)
  19. changing veg cycle from 24/0 to 18/6 (6 replies)
  20. 600 Watts HPS keep tripping RCB switch (22 replies)
  21. Unknown Ballast (2 replies)
  22. easi-rollers (11 replies)
  23. What 400w lighting system should I buy? (8 replies)
  24. Light choice (0 replies)
  25. what clf light (1 reply)
  26. Stealth Greenhouse Reflectors (10 replies)
  27. lights jammed (3 replies)
  28. Dutch Method (14 replies)
  29. what is a conductor (18 replies)
  30. SULPHUR PLASMA LAMPS (27 replies)
  31. Thoughts and experiences with parabolic reflectors (2 replies)
  32. Grostar? (8 replies)
  33. Help with Ballast. (5 replies)
  34. Reflector Cabling (1 reply)
  35. lies from growell (12 replies)
  36. Is this? (2 replies)
  37. Wiring my cooltube (7 replies)
  38. DIY air cooled lamps (0 replies)
  39. new elec meter (2 replies)
  40. Envirolights... (4 replies)
  41. Best 250w HPS (4 replies)
  42. is 55 watts per square foot optimum? (13 replies)
  43. Retrofit lamp... (3 replies)
  44. Energy saving bulbs???? (16 replies)
  45. digital ballast (4 replies)
  46. 400 or 600 (6 replies)
  47. 400W HPS (7 replies)
  48. mini grostar (12 replies)
  49. Light Efficiency (2 replies)
  50. 250 vs 400 Watt. Help Needed. (10 replies)
  51. what for bloom and grow (5 replies)
  52. advantagers of useing a 1000w lamp (10 replies)
  53. Canatronics ??? (30 replies)
  54. 250w CFL (2 replies)
  55. cpuple of questions .. (7 replies)
  56. Humming noise (4 replies)
  57. Light reflection (5 replies)
  58. Photographers Light Meter (2 replies)
  59. Contactor for 250w HPS (6 replies)
  60. Can I change my 400w to a 600w in a 1x1x2m tent? (8 replies)
  61. I Don't Like My Ballast At All! (31 replies)
  62. Best Lighting combo???? (2 replies)
  63. Contactors and extension leads (2 replies)
  64. new light (1 reply)
  65. Fresh2 bulb (7 replies)
  66. Which Bulb Would You Choose? (9 replies)
  67. My 400watter Flickers (10 replies)
  68. Mini Grostar (17 replies)
  69. finally decided (8 replies)
  70. cfl house lights - what should i use (18 replies)
  71. light cycles (5 replies)
  72. UVA (12 replies)
  73. contactor (4 replies)
  74. Veg light from from 24/0 to 18/6 ? (7 replies)
  75. what light? (15 replies)
  76. envirolight 125 w (3 replies)
  77. Cooltubes (0 replies)
  78. 400w Grolux lamp vs 400w Son-T (0 replies)
  79. red and blue or just red ,,for flowering (3 replies)
  80. cfl 4X40w (0 replies)
  81. Efficient Vegging? (12 replies)
  82. 125w envirolight - contactor? (4 replies)
  83. Upgrading from Envirolites to 400W HPS Cooltube (5 replies)
  84. Hps Bulb Blown! (7 replies)
  85. small space, best shade? (4 replies)
  86. sockets?? (2 replies)
  87. Nearly there for my first grow-lighting query (6 replies)
  88. any help appreciated!! please (15 replies)
  89. can i swap my hps bulb with a MH one? (4 replies)
  90. energy saving bulbs???? (5 replies)
  91. heat signature (2 replies)
  92. 125 Enviro – suitable for a small Mum box...? (9 replies)
  93. Gone through 2 enviros in 2 days! (16 replies)
  94. Would 250W HPS be right? (3 replies)
  95. Metal Halide VS Ecolight ... what's the best ? (4 replies)
  96. How much is too much? (4 replies)
  97. upping light halfway through 12/12 (1 reply)
  98. The Best? (6 replies)
  99. Envirolites: Good, bad or just OK (9 replies)
  100. Help regards electrical--6x600---only 2 sockets (5 replies)
  101. 2 x 250w or 1 400w (6 replies)
  102. 400watt hps/mh (6 replies)
  103. Cost of running 400W HPS (10 replies)
  104. Contactor > Timer > HPS (10 replies)
  105. Digital or compact ? (6 replies)
  106. extra light (3 replies)
  107. ballast (2 replies)
  108. digital ballast (10 replies)
  109. iec connectors (3 replies)
  110. 600w ballast and timer no contactor (13 replies)
  111. Cooltube.....yes or no............opinions please (16 replies)
  112. Sulphur Plasma Lamps (54 replies)
  113. envirolight question (7 replies)
  114. Experimental lighting (15 replies)
  115. Light loss using 600hps (12 replies)
  116. 600W Diamond Reflector (14 replies)
  117. Wiring Dilema please help? (13 replies)
  118. Lighting for hibernating mothers (3 replies)
  119. HELLLP!!! (6 replies)
  120. Mini Grostar (119 replies)
  121. Going Digital? (17 replies)
  122. Using white fluoros for flowering (8 replies)
  123. 600,s hps. (20 replies)
  124. flouresant tube lights (2 replies)
  125. phillips or osram (20 replies)
  126. which lights for what purpose (5 replies)
  127. 400w for seedlings (2 replies)
  128. cool tubes. (4 replies)
  129. anyone ever used this ballast (21 replies)
  130. cfls (11 replies)
  131. 6/7 Energy Saving lights?? (24 replies)
  132. fluorescent lighting ? (2 replies)
  133. 600w hps in 3ftx3ftx8ft high closet with attic hatch for cooling? (30 replies)
  134. Best 600w lamp? (6 replies)
  135. Small first time grow-drobe (CFL so far) (2 replies)
  136. light advice (6 replies)
  137. ideal cooltube inline extraction fan kit found at b&q (6 replies)
  138. Metal Halide (7 replies)
  139. 250mh or 400mh for veg (5 replies)
  140. light spinners (3 replies)
  141. High Pressure Metal Halide (56 replies)
  142. Purple Envirolites? (5 replies)
  143. 2 X 600W HPS and 1 X 600W MH (2 replies)
  144. plasma lites (15 replies)
  145. HELP!!! pluging an extension in to a contactor? (21 replies)
  146. mixed lighting? (4 replies)
  147. Envirolite reflectors. (5 replies)
  148. Running my lights at 240 volt vs. 120 (17 replies)
  149. Mercury vapour lights (6 replies)
  150. Oh No! Timer has plotted against me!! (22 replies)
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