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  3. T


    Dark rust spots are showing up on this plant only. Im growing 3 different strains. No idea what to do
  4. A

    1st attempt: ventilation

    Hi everyone! I'm about to start my first ever grow. I have zero experience, very little knowledge and so so many questions. I will work on a diy tent 60*70*120 cm (23*27*47 inches), the tent will be in my bedroom's closet. Is my tent considered a micro one or not? I have trouble deciding what...
  5. L

    Fan destroys humidity levels?

    Hey I have a humidifier standing in my grow room, normally when i have it running humidity is like 60-70% for my seedlings. I didnt really have any ventilation and I was scared that maybe mold would start to form, so I purchased a fan. The fan is doing a really good job with moving the air...
  6. TheGrowerOfDank

    Ventilation help!

    First timer here! I need help with a couple things for my ventilation system. The tent I’m getting needs an extractor fan that’s 130cfm or about 220 m3/h, whilst im in the vegetative stage will I need to have my extractor and intake fan on a lower cfm?
  7. R

    Advice needed

    So I have decided that I will be setting up my 80 x 80 x 160 today I just have I few obstacles to get past first so I need you guys advice. 1# How do I set the fan and filter up cause I’m using it outside of my 60x40x60 tent at the moment. 2# How many fans should I have inside and where...
  8. BestVoice

    Exhaust Fan Question

    Hello, I have an exhaust fan (6") that has a speed controller. I would like to slow my fan even more than the controller allows. Can I add another controller in-line to further slow the fan? THANKS
  9. Cannacaps4U2

    First indoor grow

    New grower here. Just a bit of history. I have been using cannabis medically for a year, best method I have found is by making my own cannacaps. (Coconut oil infused weed in 00 size capsules) For economic as well as consistency reasons I have decided to grow my own. I live in rural southern...
  10. Lungbutterorbs

    Heat control !

    I have a 3x3 with a mars reflector 192 currently housing my 5 12 day old seedlings. The temperature gets up to 94 without any vents opened up and with all of them opened and the door cracked its still a good 84-86. The problem is when flowering i don't want to have to vent this way bc of smell...
  11. M

    Ventilation for LED set up

    What type of ventilation set up would i need for a 10x11 room running 5 1200w full spectrum LED lights with about 26 plants? I understand that the light emitted from the LEDs produces about 90% less heat so I'm figuring it would be more for just circulating the stale air into fresh air. Any...
  12. D

    Ventilation help!

    Well i will put 4 plants in 15 l tex pots I have few strains which of them should i put - only for seeds the other ones for another time White Witch x 10 Green AK XL x 2 Scout girl cookies x 1 All kush x 1 For ventilation i will use two of the they blow very strong i even feel then when I am 3...
  13. D

    DIY Low-Buck TrashCan - CFL & LED Grow

    First post here. Been working on a trashcan grow for the last couple days. It will be my first ever grow. Just doing a single plant at a time. Still waiting on the blower to come in for the ventilation system, and also waiting on another 18w LED bulb, and my 5-1 bulb splitter. When all said and...
  14. P

    Simple Ventilated Door Modification For Closet Grow

    Howdy y'all, Are you having temperature problems in your walking closet? I sure was! Proper ventilation is absolutely crucial to the health and vitality of the plant that you are trying so hard to cultivate. Unfortunately, I have been reading that a non-insignificant number of growers are okay...
  15. S

    Ventilation tent size and lighting help

    Hello everyone. This is my first ever time on a forum so I apologise if I upset anyone. I have a 2x2x5 grow tent 250w mh and hps bulbs 4 inch fan at 105 m3/h on side of a cool tube 4 inch fan at 105m3/h connected to 4 inch carbon filter (suspended from tent) 2 x 6 inch clip on fans...
  16. G

    First grow - Air circulation - Fan tips?

    Hey everyone! We recently posted about our first grow in the Grow Journals. We're newbies from Canada growing for fun and on a budget. As of right now in our grow cabinet, we don't have any fans on or air exchange happening, but we know we need to add some! We're thinking either a computer...
  17. mackdaddyerb

    Duct reducer - Please advise

    Hi guys I am soon setting up a tent with 6" fan, 6" CF, LED light and silencer It will be as follows : CF inside tent > duct > outside tent inline fan > silencer I read a couple posts on here where people recommended using bigger duct than your fan and carbon filter to get an even...
  18. 4

    A Few Ventilation Questions

    Hi guys, a little advice please! It's my first grow... Strain: 2x Northern Lights auto Grow space: 90x60x90cm grow tent (HxDxW) Lights: 96w T5 Ventilation: Mini 6" desk fan Light cycle: 12/12 So my question: Is a 6" desk fan sufficient for a space like this? And do I need to keep it on...
  19. Lansky

    Ventilation with Thresh Carbon filter in 2x4x7

    Hello my fellow 420ers, I have a question about the kind of ventilation I should go for in my 2x4x7. I am planning to grow 2 plants with a 350W COB LED lighting system and my medium will be soil. I am wondering if: 1- Do I really need ventilation? I don't mean oscillating fans which I plan on...
  20. odinsmaster

    Converting a 6.5x 5.5 closet for my second grow

    This is going to lead to my second grow, my first was in a 5x5 grow tent. Had to run the tent in my spare bedroom, I had to give up the spare bedroom so now i am converting a closet. The closet is 6.5ft by 5.5ft with a 8ft ceiling. I will be buying a 6 in insulted fan, need it to be quit. I...
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