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UK420 > Cultivation > Growroom Design > Lighting
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  1. 600w ballast and timer no contactor (13 replies)
  2. Cooltube.....yes or no............opinions please (15 replies)
  3. envirolight question (7 replies)
  4. Experimental lighting (14 replies)
  5. Light loss using 600hps (12 replies)
  6. 600W Diamond Reflector (12 replies)
  7. Wiring Dilema please help? (12 replies)
  8. Lighting for hibernating mothers (3 replies)
  9. HELLLP!!! (6 replies)
  10. Using white fluoros for flowering (8 replies)
  11. flouresant tube lights (2 replies)
  12. which lights for what purpose (4 replies)
  13. 400w for seedlings (2 replies)
  14. cool tubes. (3 replies)
  15. anyone ever used this ballast (21 replies)
  16. cfls (11 replies)
  17. 6/7 Energy Saving lights?? (23 replies)
  18. fluorescent lighting ? (2 replies)
  19. 600w hps in 3ftx3ftx8ft high closet with attic hatch for cooling? (30 replies)
  20. Best 600w lamp? (5 replies)
  21. Small first time grow-drobe (CFL so far) (2 replies)
  22. light advice (5 replies)
  23. ideal cooltube inline extraction fan kit found at b&q (5 replies)
  24. Metal Halide (7 replies)
  25. 250mh or 400mh for veg (5 replies)
  26. light spinners (3 replies)
  27. High Pressure Metal Halide (56 replies)
  28. Purple Envirolites? (4 replies)
  29. 2 X 600W HPS and 1 X 600W MH (2 replies)
  30. plasma lites (15 replies)
  31. mixed lighting? (4 replies)
  32. Envirolite reflectors. (5 replies)
  33. HELP!!! pluging an extension in to a contactor? (18 replies)
  34. Running my lights at 240 volt vs. 120 (17 replies)
  35. Oh No! Timer has plotted against me!! (20 replies)
  36. 250w hps- how close can u go? (5 replies)
  37. genera; begginer questions (7 replies)
  38. Using a 250w bulb with a 400w ballast (24 replies)
  39. is it safe to plug timer contactors into extension leads? (4 replies)
  40. 600 watt sunmaster (1 reply)
  41. Mini grostar help (37 replies)
  42. cfl reflector's??? (6 replies)
  43. What Are My Limit's With Flourescent Tube's? (11 replies)
  44. Think I got problems (19 replies)
  45. UFO led lighting. (15 replies)
  46. Choosing lighting for veg.. (6 replies)
  47. Adaptors (1 reply)
  48. advice pleasssse (2 replies)
  49. Flouro....Halide .....HPS.....The details (14 replies)
  50. hps options (3 replies)
  51. sylvania 400 metalarc (6 replies)
  52. New Wave T5 High Output Fluorescent Grow Light (5 replies)
  53. diy led grow lamp (12 replies)
  54. whitefire propagation light (3 replies)
  55. 600Watt HPS (1 reply)
  56. Ballast stopped working. (6 replies)
  57. Paint or Mylar..? (2 replies)
  58. Which reflector? (5 replies)
  59. 400 watt replacement? (9 replies)
  60. air force plug in meter (2 replies)
  61. One of my two 600w Maxibright Compact (non-digital) gets TOO HOT (7 replies)
  62. 600w on the cheap. (10 replies)
  63. 400w hps heat (8 replies)
  64. One Light, Which One (19 replies)
  65. is my ballast ok in this position? (4 replies)
  66. glass cover (8 replies)
  67. HID or HPS (31 replies)
  68. Water-cooled hps + shipping ? (18 replies)
  69. light rails (8 replies)
  70. green light bulbs (15 replies)
  71. Energy Tracker/Monitor (plug in) (10 replies)
  72. Florescent Tubes: Noise?? (7 replies)
  73. Rattll'y 400 bulb (11 replies)
  74. veg lighting (3 replies)
  75. can i remove this connection? (8 replies)
  76. grow room dimensions (3 replies)
  77. Lighting plan (2 replies)
  78. power plant blasts (4 replies)
  79. HPS & MH Vs 1x combo bulb (3 replies)
  80. Greenroom set up (3 replies)
  81. vertical vs horizontal lamps (19 replies)
  82. too much light for my seedlings (8 replies)
  83. Contactor relays question (5 replies)
  84. two 600 watt lamps , what area? (5 replies)
  85. type of HPS...Lucolux 600w (1 reply)
  86. mercury in these lamps!!!! (9 replies)
  87. Faulty light/ballast, need some help. (7 replies)
  88. Cooltube or envirolights? (5 replies)
  89. electrical advice needed (22 replies)
  90. L.E.D. lights? LED lights? Light-emitting diodes? (24 replies)
  91. mixed spectrum lamp combo for veg (3 replies)
  92. 5x 200w Envirolite For Big Veg (8 replies)
  93. Anybody use 28w 2D fittings for cuttings (2 replies)
  94. maxigrow sunmaster compact 600 watt ballast, how hot do they run? (4 replies)
  95. Could a Light Mover be Installed in a XXL BudBox? (1 reply)
  96. ignitors and capacitors (9 replies)
  97. light covering (2 replies)
  98. How much growth increase? (8 replies)
  99. Which cfl light? (4 replies)
  100. WHATS THE BEST (9 replies)
  101. advice on new kit (6 replies)
  102. Contactor (3 replies)
  103. is this contactor suitable? (3 replies)
  104. lighting choice for propagator (6 replies)
  105. Envirolights (43 replies)
  106. Enviro 225w lights (13 replies)
  107. t5's (3 replies)
  108. question bout Ballast's (1 reply)
  109. Cooltube (6 replies)
  110. optimum photoperiods (0 replies)
  111. "Safe" distance for 250w hps (6 replies)
  112. Buying a 250w MH/HPS for my 60x60cm space... (3 replies)
  113. ENVIROLITE or HID/HPS (12 replies)
  114. 400Watt MH/HPS combo bulb (1 reply)
  115. can i have too much light?? (15 replies)
  116. heat difference between 250/400w (23 replies)
  117. 2x 600w (11 replies)
  118. What u lot think is best? (2 replies)
  119. Hot ballasts? (26 replies)
  120. Test of different HPS reflectors (6 replies)
  121. CFL lighting (19 replies)
  122. genuine mini grostar (12 replies)
  123. 200w blue envirolight.... (2 replies)
  124. LED lighting (2 replies)
  125. Bal digital greenhouse growlamp (16 replies)
  126. Diamond Reflector (23 replies)
  127. H.I.D for £50? (7 replies)
  128. What Light do i need for veg period (8 replies)
  129. just a quick check (12 replies)
  130. 24 hr timer (4 replies)
  131. Lighting For babies (3 replies)
  132. led lights (4 replies)
  133. Question about contactors/timers (31 replies)
  134. Just checking (5 replies)
  135. your biggest yields with enviro's? (4 replies)
  136. Envirolight in a table lamp? (1 reply)
  137. flowering: lights directly overhead or plants to the side? (12 replies)
  138. maxi bright ballast (15 replies)
  139. Sunmaster Dual Spectrum VS Sodium Grown Lamps (29 replies)
  140. cool tube question (2 replies)
  141. Lights? (3 replies)
  142. What could i do with these lights!? (8 replies)
  143. Budbox Small Grow Tent - 250W or 400W? (48 replies)
  144. Hello all, can you help me with lighting? (4 replies)
  145. Color spectrum? T5 HO (3 replies)
  146. switching to flower (3 replies)
  147. t5 versus 125w enviro (7 replies)
  148. HYa guys....just a quick question for you guys.... (2 replies)
  149. T8 fluorescent any good? (5 replies)
  150. Power lead question (11 replies)
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