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UK420 > Cultivation > Growroom Design > Lighting
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  1. Pinned: Lighting Requirements And Area Calculator (38 replies)
  2. Pinned: Digital Ballasts And Lumens/lux? (263 replies)
  3. Pinned: Effects of differing wavelengths of light on cana growth. (75 replies)
  4. Pinned: Light Keeps Killing Timers (222 replies)
  5. Pinned: lighting hint (101 replies)
  6. Pinned: Total Lumens per Light (28 replies)
  7. Pinned: Disclaimer. (0 replies)
  8. Digi Ballasts (5 replies)
  9. 125w Light Reckon This One Is Ok? (2 replies)
  10. How Many Plants Under The Light (1 reply)
  11. How Often Do You Change Your Hps? (19 replies)
  12. Help Me Choose A Reflector (20 replies)
  13. Energy Saving Lamp For Seedlings (1 reply)
  14. Powerstar (13 replies)
  15. T5 Prop Light (15 replies)
  16. Lumens Output ? (13 replies)
  17. Leds (6 replies)
  18. ballast buzz's every minute for 5sec's .... (13 replies)
  19. Anybody Used A Red Cfl To Flower? (10 replies)
  20. Whats The Difference Between Hps And Metal Halide (3 replies)
  21. Help !! (4 replies)
  22. Contactor On Envirolight (20 replies)
  23. Grostar - Not The Mini One, The 42inch Version (5 replies)
  24. Lights On When They Should Be Off (5 replies)
  25. Q For Anyone With A Mini Grostar (15 replies)
  26. Cfl's Any Good? (18 replies)
  27. Can I Ditch The Envirolight? (14 replies)
  28. Hps 400 Or 600? (37 replies)
  29. Dimmable Ballasts (14 replies)
  30. Has Anyone Used A Supernova (4 replies)
  31. Buzzing Bulb (7 replies)
  32. Lighting My Box (20 replies)
  33. Using 600w Sodium Should I Add 400w Sodium (2 replies)
  34. 600w Hps Only Using Max 200w Elec (6 replies)
  35. Who Makes The Best Bulbs ? (5 replies)
  36. 5x14watt Cfls For 50p @ Poundstretcher (3 replies)
  37. Looking For A 250 Hps Kit (1 reply)
  38. Grostar Owners (18 replies)
  39. 600w Diamond In An Xl Tent (17 replies)
  40. Cfl Vs Tube (19 replies)
  41. Reflectors And Mylar (4 replies)
  42. Diamond (19 replies)
  43. Greens Parabolics (3 replies)
  44. Does My Ballast Do Both Hps + Mh (15 replies)
  45. Reliable 600w Digital Ballast (1 reply)
  46. Switchable Ballasts (6 replies)
  47. 1x600 Watt Hps (6 replies)
  48. Do Cooltubes Stop Plant Getting As Much Light? (17 replies)
  49. Digital 1000w Hps, Which One??!! (14 replies)
  50. Light Too Close?? (11 replies)
  51. Light Mover? (12 replies)
  52. Getting Ready For E&f... (2 replies)
  53. Envirolite Timer Problem (2 replies)
  54. Lights On Lights Off (8 replies)
  55. Changing The Hours In The Flowering Cycle (1 reply)
  56. Hps And Mh (38 replies)
  57. Buzzing Noise Intermittently Coming From Ballast! (14 replies)
  58. Metal Hallide With No Uv Filter (for Haze)? (10 replies)
  59. Moved: changing the light cycle (-- replies)
  60. Led Lighting (18 replies)
  61. Solar And Alternative Energy (15 replies)
  62. Diamond Reflector (4 replies)
  63. New 250w Bulb (10 replies)
  64. 250 Watt Envirolite (5 replies)
  65. Another Reflector Queary (13 replies)
  66. Can My Timer Handle My Light?? (16 replies)
  67. 250 Enviro And A Hps (7 replies)
  68. Mini Grostar (2 replies)
  69. Are They Giveing Me Good Advise Or No Not Really (3 replies)
  70. Growing With 125 Cfl Light? (4 replies)
  71. Moved: How To Maintain Slow Growth For A Few Weeks In Veg (-- replies)
  72. Energy Saving Bulbs (10 replies)
  73. Envirolite (9 replies)
  74. 250watt Cfl Blue (5 replies)
  75. When To Start Using Hps (18 replies)
  76. 125 Watt Cfl Light (8 replies)
  77. New Lumatek Reflector & Bulb For Digital Ballasts (5 replies)
  78. Fluroscent Tube Advice Warm V's Cool (2 replies)
  79. 6 Bulb Cfl Hoods (3 replies)
  80. Flip Flop Relay (3 replies)
  81. Grolux Bulbs (11 replies)
  82. 250w Ballast With 400w Bulb? (5 replies)
  83. Benefits Of Using Mh And Hps Together ? (3 replies)
  84. Can I Use My 600 Hps For Vegging ?? (11 replies)
  85. Contactor Relay (9 replies)
  86. Just Had A Little Hps Fire.. (61 replies)
  87. Need A Green Light For Lights Off Viewing.. (7 replies)
  88. Grolux,sunmaster Or Son-t? (21 replies)
  89. Greens Euro Reflector (15 replies)
  90. L.e.d Grow Lights (4 replies)
  91. Cfl Information. (16 replies)
  92. Extension Leads (8 replies)
  93. Can A Sparky Put Me Right (3 replies)
  94. Extra 26w Cfls (2 replies)
  95. Best Halide??? (2 replies)
  96. Question About Hps Light And Canopy In Cabinet (1 reply)
  97. Lettuce And Led's (22 replies)
  98. A Glimpse Of The Future? (video) (17 replies)
  99. lumatek ballast- super lumens? (56 replies)
  100. Question On This Ballast (3 replies)
  101. Lumatek 400w Digital Hps Any Good? (16 replies)
  102. What Light Would You Use In A Dr80 (15 replies)
  103. Hps Not Lighting (3 replies)
  104. Reflective Material For Inside Grow Lamp Reflector. (8 replies)
  105. T5 Lighting Fixtures (4 replies)
  106. I Need A New Light (3 replies)
  107. Moved: Why Can't You Give Something Away (-- replies)
  108. Eurobright Digital Ballast? (0 replies)
  109. lumatek digital ballasts (8 replies)
  110. Is An Envirolite Really Ok For Vegging To Create 4oz Plants (6 replies)
  111. My Ballast Seems To Be Broke Does Anyone Know What It Might Be Pleae (4 replies)
  112. Diamond Lights From Greens (15 replies)
  113. Quick Cooltube Q (2 replies)
  114. digital ballast (61 replies)
  115. Pulse Start Metal Halide Bulbs (7 replies)
  116. Upgrading Hps! (14 replies)
  117. Is This A Contactor (4 replies)
  118. Extra Light (5 replies)
  119. Lighting Distance (17 replies)
  120. 250 Cfl Or 125 Cfl For Seedlings (5 replies)
  121. 250 Or 125 Cfl For Seedlings (4 replies)
  122. Percieved Effieciency's (0 replies)
  123. First Grow, Cooling 600w Hps (6 replies)
  124. Hid Mh/hps Ballast (2 replies)
  125. Dodgy Ignitor (25 replies)
  126. 250w Hps - A Question Regarding Contactors (13 replies)
  127. Ballasts....... (9 replies)
  128. Additional Light (12 replies)
  129. Cheese 20 Days In (3 replies)
  130. Help Needed With Hps And Temps (0 replies)
  131. Uv Light (1 reply)
  132. Pl Lighting (1 reply)
  133. Sont + Bulb Not Working (4 replies)
  134. 250w Cfl Or 250w Hps? For Prop And Vegging Only (1 reply)
  135. 150w Hps Ballasts. (34 replies)
  136. My Leccy Bill Has Doubled Compared To This Time Last Year (50 replies)
  137. police choppers :( (31 replies)
  138. Changing Light Times (2 replies)
  139. 600w Hps (2 replies)
  140. If You Couldnt Get A Mini Grostar Reflector (8 replies)
  141. Envirolite (22 replies)
  142. Growroom Paint/ Light Reflection (8 replies)
  143. British Winter?? (12 replies)
  144. Hps/mh Same Unit Different Bulb? (14 replies)
  145. Help Needed With Lighting (13 replies)
  146. Digi Ballast To Old Reflector Wiring (8 replies)
  147. Mother And Cuttings (8 replies)
  148. Lecy Meter Reading (13 replies)
  149. Potential Light Sources? (14 replies)
  150. 125w Cfl Or 250w Cfl (11 replies)
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