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UK420 > Cultivation > Growroom Design > Lighting
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  1. Light Advice.. (6 replies)
  2. More Timer Failure. Or Contactor, Or Both. (34 replies)
  3. Verticle Enviro (2 replies)
  4. L.e.d Vs H.p.s (7 replies)
  5. Broken Glass In Light? (2 replies)
  6. 600w Sodium Ballast (3 replies)
  7. Metal Halide Vs Cfl Total Heat Output Per Single Watt ? (2 replies)
  8. Household Bulbs (6 replies)
  9. Sick Mother Plant (3 replies)
  10. Help Needed With Lights Urgently (3 replies)
  11. Is 2 X 6oo Hps In A 1.5 By 1.5 Footprint Overkill? (8 replies)
  12. Have Anyone Got One Of These (7 replies)
  13. Phillips Son-t Agro For Flowering? (17 replies)
  14. Mh Problem (12 replies)
  15. When To Change The Light Cycle (10 replies)
  16. 200w Per Plant? (2 replies)
  17. Green Light Bulbs (1 reply)
  18. Black Lights (3 replies)
  19. 250 W Hps Cooltube (20 replies)
  20. Vertical Bulbs (7 replies)
  21. 400w Digi Hps V.s 600w Digi Hps... (7 replies)
  22. How Many Plants Under A 250w, Sog? (2 replies)
  23. 70w Hps (16 replies)
  24. Vivarium Lighting (0 replies)
  25. Replacement Glass Reflector Special Glass? (5 replies)
  26. Weird Noise Turning On Ballast (24 replies)
  27. 4x4ft Grow Room 600w Hps How Many Plants? (7 replies)
  28. When To Change To Hps (7 replies)
  29. Given The Choice? (9 replies)
  30. Cf < Cooltube < Fan ? (5 replies)
  31. Those "envorolite" And The Heat... (16 replies)
  32. How Long Before I Really Need To Change My Bulb (7 replies)
  33. Enviro V Hps (48 replies)
  34. Bal Digital Greenhouse Grow Light (6 replies)
  35. Light Meters (5 replies)
  36. High Output Fluros (starlites, Brightwing, Pl2, Whitefire) (2 replies)
  37. Both The Vegetative And Flowering Stages (light Question) (7 replies)
  38. 200w Cfl Help .... (4 replies)
  39. Best Ballasts ? (1 reply)
  40. Summer Light (11 replies)
  41. Dodgy Bulb Or Dodgy Ballast? (9 replies)
  42. Movin From Enviro's To Something Better (19 replies)
  43. Quick Question??? (2 replies)
  44. How Long To Use A Cfl Before Switching To Hps? (8 replies)
  45. Energy Savers - 6400k For Vegging Surely? (3 replies)
  46. I Got My Portable 400watt Hps Lamp (8 replies)
  47. 250w Envirolight How Far (6 replies)
  48. Falloff In Light Intensity Of Cfl's (2 replies)
  49. Ezi Roll Light Hangers (21 replies)
  50. Too Much Light (??) (2 replies)
  51. Easy Rollers (40 replies)
  52. Best Art Cooled Light (10 replies)
  53. Shade Upgrade Which Should I Get (7 replies)
  54. Envirolight And 400w Ballast (15 replies)
  55. Grow King Cfl (2 replies)
  56. Ballast Failure ! (12 replies)
  57. Prop Light (11 replies)
  58. T5 35w Lamps (10 replies)
  59. I'ii Get Philips Master Son T-pia Plus 400watt Today (8 replies)
  60. Good Idea/bad Idea? (0 replies)
  61. 250w Or 400w Aircooled (9 replies)
  62. Lamp Cooling (17 replies)
  63. Nft - Some Advice Plz (9 replies)
  64. 250w Bulb Into 400w Ballast (9 replies)
  65. Which Philips Lamp Is Good For Me? (7 replies)
  66. How Big Is An Environlight (3 replies)
  67. Digital Lights???? (19 replies)
  68. Dodgy Light (3 replies)
  69. Most Powerful 600w Ballast, Bulb And Reflector Combination??? (2 replies)
  70. Difference In Make Of Bulbs? (4 replies)
  71. Wiring My Contactor (10 replies)
  72. Why Are Cfl's Not Supposed To Be Used With Timers ?? (6 replies)
  73. Efficiency Of Various Types Of Light (2 replies)
  74. Help Me Pls (8 replies)
  75. Metal Halide And Hps (3 replies)
  76. I Have A New Lamp, Would You Please Check It (6 replies)
  77. Where To Buy Full Spectrum Cfl's (6 replies)
  78. Grounded Light (6 replies)
  79. Best Digital Ballast? (3 replies)
  80. Red Spectrum Enviro For Veg??? (42 replies)
  81. Yet Another Led Question!! (10 replies)
  82. Bit Of Advice Needed (9 replies)
  83. Heat Difference In 400w And 600w + Digital Ballasts (1 reply)
  84. Lumatek Electronic Ballasts 250w (1 reply)
  85. Lighting Advice Required Please. (5 replies)
  86. Mixed Spectrum Bulbs... (1 reply)
  87. Plasma Sulfur Lights And Led's (3 replies)
  88. Clones (13 replies)
  89. Ceramic Metal Halide (23 replies)
  90. Capacitor Selection For Hid Ballasts (12 replies)
  91. B&q Atomic Clock Controlled Timer Rct-mp (6 replies)
  92. Cfl Lights? (9 replies)
  93. Wiring Colours From Digital Ballast. (1 reply)
  94. Best Light For Vegging (12 replies)
  95. Light Exposure (3 replies)
  96. Cfl's (5 replies)
  97. Growtent Lighting (4 replies)
  98. Ventronic Help (7 replies)
  99. Mixed Spectrum Bulbs... (3 replies)
  100. Need Help On Choosing Lamp, Am New! (37 replies)
  101. 3 Weeks In To Flower Benifit To ? (4 replies)
  102. Lumatek (0 replies)
  103. Cfl (2 replies)
  104. Blue Spec Fluro With Hps? (6 replies)
  105. Envirolites Glow After Lights Out (23 replies)
  106. Timer (4 replies)
  107. Diamond Reflector Vs Grostar Reflector (12 replies)
  108. Multi-tap Transformer Ballast (96 replies)
  109. Is This Setup Alright? (9 replies)
  110. Heat Of Compact Flourescents/envirolights (37 replies)
  111. Cooling Light (6 replies)
  112. Seedlings (1 reply)
  113. Best To Have Lights On During Night In Winter? (3 replies)
  114. Name For Blue Spectrum Lighting? (8 replies)
  115. Buying A New Setup (1 reply)
  116. Plugging Contactor Into One Plug (55 replies)
  117. Uv-b Bulbs (3 replies)
  118. When To Change 55w Fluorescent P-lights (1 reply)
  119. Light Height (2 replies)
  120. Cfl In Budbox (1 reply)
  121. The Original Grostar Or Normal Parabolic Shade (3 replies)
  122. Mixed Lighting (28 replies)
  123. Calling All Electricians (2 replies)
  124. Cantactor (9 replies)
  125. The Secret Garden 400w Dimmable Cabinet (3 replies)
  126. My New Box... (24 replies)
  127. Do We Think This We Be Alright? (12 replies)
  128. Newbie Help (10 replies)
  129. Lighting Help (19 replies)
  130. Son T Too Mh (6 replies)
  131. How Reflective Are Mylar,white Paint,white Plastic Etc? (6 replies)
  132. 205w Bulb In 400w Digital Ballast (2 replies)
  133. Led Grows (4 replies)
  134. 250w Too 600w (9 replies)
  135. Keeping Mum! (7 replies)
  136. Ballast Box A Necessity? If So Where Can I Can Get One Cheap? (7 replies)
  137. 12/12 Issues.. (2 replies)
  138. Philips Ceramic Metal Halide Retro White. (24 replies)
  139. Hy Guys Just A Quick Question... (3 replies)
  140. Goin Ape Shit On Lighting During Flowing :rofl: (0 replies)
  141. How Long Do You Use Your 250wt Hps For (5 replies)
  142. Coolshade Height From Deltas Greens? (2 replies)
  143. 600w Hps (3 replies)
  144. Would This Be A Good Set Up (10 replies)
  145. Reflectors (25 replies)
  146. 400watt Lumateck And 2 200watt Enviro's (14 replies)
  147. What Is The Exact Light Spectra Required By Cannabis (132 replies)
  148. Can I Put A 600w Bulb In A 400w Halide? (19 replies)
  149. Dual Spec Bulbs... (6 replies)
  150. Watts Per Sq Ft? (6 replies)
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