carbon

  1. G

    Bad Fan? Or Bad Filter?

    I bought a cheap tent/fan/filter combo of amazon. I’ve replaced everything it came with except the fan/filter. The filter is leas than 2 weeks old. I took it apart and the fan has suction and plenty of exhaust without the filter. When I attach the filter back to the fan is has hardly any...
  2. A

    Maximizing quality and quantity in this space

    Working with a 800 x 400 x 1800 approx (2.5ftx1.5ftx6ft) grow space looking to squeeze in 6 AUTOS hopefully using LST AND SOG ??? Anyway I have a 4 inch carbon filter Outlet Where should I position outlet on roof of cabinet or side Wall near roof ? As for intake I was told that enough...
  3. R

    Stealth grow cabinet

    I have a few questions about building a stealth grow cabinet the cabinet I have in question is approximately 5 foot tall 3ft in depth I am using an advance PlatinumLED the p450 with veg and bloom switches, I have a fan and carbon filter setup but I believe my carbon filter and fan are to big I...
  4. J

    Dual Carbon filter use

    Without stirring up the inside/outside placement for a carbon filter discussion, what are people's thoughts on using two carbon filters, one Phresh 8x24 inside the tent, and one Phresh 6x24 outside the tent to provide an exhaust and odour control? From inside the tent the 8" Phresh carbon...
  5. M

    Carbon filter or not?

    Hi i'm an absolute beginner looking for the advice of more experienced growers. This is my first time growing and i'm looking to grow a single AK47 plant in my closet via a space bucket. My plan was to not include any carbon filter and just use Ona Gel that i'll position near the exhaust fan on...
  6. B

    Bucket ventilation question re LED light fan

    Hi, In a bucket with passive intake (through a hole with dust filter on), inline 4" fan out with DIY carbon filter that air is being pushed through, does it matter if the LED (eBay 150W) is also pulling air out the bucket? A lot of sites say to reverse the fan so it extracts, but this one...
  7. C

    How do I calculate size of blower and carbon filter based on room size?

    Greetings, Just wondering what the formula is for calculating the size of blower and carbon filter for a room 14' x 14' x 8'? Needs to be a 100% clean...or close. Any info on that will be appreciated. Thanks
  8. Ron Strider

    High Hopes Hemp Could Revolutionize The Australian Building Industry

    The builders of an award-winning home made from hemp hope that they inspire a shift towards making it a mainstream construction material. Balanced Earth recently won the Master Builders New South Wales Energy Efficient Building award for a home in the Byron Bay hinterland, in northern New South...
  9. HigherTheHigh

    Filtering water to lower ppm?

    hello all! i read somewhere this morning if you filter water through a carbon filter it can make the water more pure. is this true? i have a 4 inch carbon filter i could use but i dont want to pretty much break it or ruin it if its not going to do anything. does anyone have an idea...
  10. 28 Grams

    How bad is it to push air through a carbon filter instead of pulling?

    The general consensus seems to be that pulling air through carbon filters is the way to go. However, my space is somewhat limited and it would be beneficial to have the carbon filter outside the tent for space sake -- of course this means I'd have to push air through the filter. How "bad"...
  11. Why Doe

    Carbon filter need help asap

    I have this combo and it was working great for a couple weeks. Now it's not sucking like it used to, the problem I'm 99% sure lies with the carbon filter. Do you have to clean these things? How easy are they to get clogged? Seems to be a lot of black particles inside. VIVOSUN 203 CFM 4" Inline...
  12. Q

    Ventilation help

    Hi I have a 3 by 3 by 5 foot grow room and was wondering if a 100 cfm inline duct booster fan with a carbon filter rated for 200 cfms would be ok?
  13. B

    Looking for advice on building my second grow box

    So my first grow box failed, it was a pc grow box (failing homemade carbon filter, was way too hot, terrible ventilation, fire hazard...). Working on my new grow box, would really appreciate some advice before I go buy all the components, here are my specs and planning: grow box w: 2ft grow...
  14. B

    Can 12v pc fans full through carbon? Should I scrap this grow box?

    So i have a homemade carbon filter, very small. It's x2 12v pc fans inline at full-speed pulling through about an inch of activated carbon and very thin filter.... I have a hole where air can flow in passively and I can barely feel any air coming in (only just). The grow box is very small (pc...
  15. B

    Stealth grow? What size fans & filters for rooms

    Hello there fellow gardeners first time grower here. what would one need to do if they where going to build 2 grow rooms onto their garage ( each room is 1.90m width X 2.70m length X 2.5m height). vented into the floor. Each room will be separated and each will contain 8 plants. What can be...
  16. M

    General Carbon Filter Question

    Hey All, If I use a carbon filter rated for more c.f.m. than my fan, will it lessen the restriction or make it worse? Thanks.
  17. S

    Tent intake filter?

    Complete newbie grower here so I apologize in advance if this question has been asked and answered already. I have a 4' x 4' tent setup in my garage , and am running two 200W Cree COB setups in there for veg and flower. I bought a 4" Inline exhaust fan and a carbon filter and planned on using...
  18. 4

    A question about carbon filters

    Hi everyone, I have a 4" Rhino Hobby filter and at the moment it isn't connected to my ducting and extractor fan, it's just sitting in my tent. Is it possible it's still reducing some of the smell? My ladies don't smell too much (which is a good thing for stealth reasons!) or maybe I'm...
  19. S

    Carbon filter exhausted through house blower

    Has anybody ever hooked up their carbon filter exhaust hose tot he cold air return? Does/did it seem to pull enough air and filter ok? Using a 4 inch inline carbon filter.
  20. S

    Carbon filter - How oversized can I go?

    Hi everyone. New member here who is also new to gardening let alone indoor gardening. With great hope and excitement, I'll be able to throw some seeds into some coco coir that I've been purchasing from Attitude. I might have gotten a little overboard on selection, but there was giddyness in...
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