Lighting and Ventilation

1,618 topics in this forum

1. Mars hydro fc 6500

   By UpInTheHills, February 14, 2022
   • 7 replies
   • 340 views
   • 
   • ibsiXub9
   • December 3

2. dehumidyfier

   By L0C, May 5, 2022
   • 0 replies
   • 469 views
   • 
   • L0C
   • May 5, 2022

3. Size of Mesh for intake to stop the dreaded Spider Mites

   By Earthlingv2.0, February 27, 2022
   • 0 replies
   • 484 views
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   • Earthlingv2.0
   • February 27, 2022

4. The better grow light?

   By Stev3-o, February 3, 2022
   • 5 replies
   • 377 views
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   • Gillipid
   • February 9, 2022
5. • 420 Crew

   Quieter fan 1 2 3 4

   By Newbudgrower, June 2, 2019
   • • 420 Crew
   • 38 replies
   • 2.7k views
   • 
   • costaxosta
   • January 27, 2022

6. Hepa filters

   By pug1010, December 6, 2021
   • 2 replies
   • 649 views
   • 
   • pug1010
   • December 6, 2021

7. Accurate smart phone app to measure PAR?

   By pug1010, November 27, 2021
   • 0 replies
   • 243 views
   • 
   • pug1010
   • November 27, 2021

8. Lighting Intensity Vid

   By pug1010, November 26, 2021
   • 0 replies
   • 203 views
   • 
   • pug1010
   • November 26, 2021

9. A mad into to portable air conditioner grow rooms 1 2

   By Chrystal, January 6, 2018
   • 17 replies
   • 5.8k views
   • 
   • gilmakil
   • June 26, 2021

10. Hi-PAR S-One 315w CMH 1 2

    By nesil, April 21, 2021
    • 10 replies
    • 1.2k views
    • 
    • Veritas629
    • April 26, 2021

11. HLG light power for veg

    By Westoz1987, March 11, 2021
    • 2 replies
    • 579 views
    • 
    • Westoz1987
    • March 31, 2021

12. Cfl 130w with two 20 w LEDs, I’ve done my best. How much can we estima

    By seedsfourdays, January 9, 2021
    • 1 reply
    • 742 views
    • 
    • researchonly
    • March 12, 2021

13. Combo lighting.. with method. think different. Super duper THC.

    By researchonly, March 11, 2021
    • 4 replies
    • 449 views
    • 
    • researchonly
    • March 12, 2021

14. Changing from HPS to LED

    By Darkie, February 3, 2021
    • 3 replies
    • 644 views
    • 
    • Dingo-2008
    • March 3, 2021
15. • 420 Crew

    Need Advice on New Lighting Technology 1 2 3

    By magurbanhere, October 28, 2020
    • • 420 Crew
    • 23 replies
    • 2.1k views
    • 
    • buzzer
    • November 8, 2020
16. • 420 Crew

    150mm duct through ceiling 1 2

    By Dogfish, October 9, 2020
    • • 420 Crew
    • 16 replies
    • 1.1k views
    • 
    • Dan J
    • October 15, 2020

17. 4x4 grow room air intake

    By Ladybug, October 6, 2020
    • 4 replies
    • 556 views
    • 
    • merl1n
    • October 6, 2020

18. Light Control Boards

    By fishburgr, October 2, 2020
    • 4 replies
    • 403 views
    • 
    • fishburgr
    • October 4, 2020

19. Am I getting enough light?

    By grizzly.elchapo, September 29, 2020
    • 6 replies
    • 456 views
    • 
    • grizzly.elchapo
    • September 30, 2020

20. Electric Sky 300 v2 or GROWER'S CHOICE ROI-E680

    By auto-kush, September 6, 2020
    • 5 replies
    • 637 views
    • 
    • auto-kush
    • September 15, 2020