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eldearmano
Stranger


Registered: 10/07/16
Posts: 410
Loc: Colombia, South America
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Positive Pressure Glovebox
#23802024 - 11/04/16 10:18 PM (7 years, 2 months ago) |
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howdy y'all
lookin' for some advice on this here contraption - I know she ain't pretty, but i figure you stick a vacuum on that hole there and she'll be good and pressurized.
That bag you see is a hepa filter from a vacuum - 8$. Not sure how powerful the fan will have to be for this to "work."
Any thoughts from the fine folks of this community would be greatly appreciated.


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SuperFly
Still in the Space Race



Registered: 05/19/13
Posts: 1,032
Loc: Dark side off the moon
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Re: Positive Pressure Glovebox [Re: eldearmano]
#23802080 - 11/04/16 10:40 PM (7 years, 2 months ago) |
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What about the gap from the lid? Seems overly complicated when a still air box works with minimal effort, unless you are just trying somthing new
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TheMadHatter420
Trusted Farmer


Registered: 10/12/16
Posts: 12,941
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Re: Positive Pressure Glovebox [Re: SuperFly]
#23802192 - 11/04/16 11:45 PM (7 years, 2 months ago) |
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If you put a vacuum on it then you would be pulling air out and creating a vacuum. THIS WOULD BE BAD! as it will pull air in through any tiny crack or hole that it can. If your using the output of the vacuum, like on a shopvac, then you would be pushing some nasty air into it. I just don't see this producing a clean environment.
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blindingleaf
blue collar underworld


Registered: 07/19/13
Posts: 22,008
Loc: sub-surface unseen
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too much television watching's gotcha chasing dreams
-------------------- A few thoughts on cultivation MICROBIAL HUSBANDRY!!!! The whole is greater than the sum of its parts
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Bunya


Registered: 06/04/16
Posts: 601
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Im a educated fool with money on my mind.
-------------------- Bunya cones kill.
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blindingleaf
blue collar underworld


Registered: 07/19/13
Posts: 22,008
Loc: sub-surface unseen
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Re: Positive Pressure Glovebox [Re: Bunya]
#23802408 - 11/05/16 02:55 AM (7 years, 2 months ago) |
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-------------------- A few thoughts on cultivation MICROBIAL HUSBANDRY!!!! The whole is greater than the sum of its parts
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wtfcrazymofo
foil hater



Registered: 07/26/15
Posts: 1,201
Loc: Colonial alley
Last seen: 10 hours, 17 minutes
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Re: Positive Pressure Glovebox [Re: eldearmano]
#23802423 - 11/05/16 03:25 AM (7 years, 2 months ago) |
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All you need is 2 holes for your arms and still air. Fill in the other holes, Put box in a non-drafty still air room, spray down with soapy water, wait some time for particulates in the air to fall, get down with the knocken. Do not go over any media with you hands.
-------------------- If you want to eat->https://www.shroomery.org/forums/showflat.php/Number/8553541 Bag sealers are to bulky (my hood isn't that big) https://www.shroomery.org/forums/showflat.php/Number/28622922
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tump
ban the undead


Registered: 03/17/16
Posts: 2,383
Last seen: 6 years, 10 months
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Still air boxs work well 95% of the time. If you live in a contamed hell where there is wind blowing throught out all parts of your house i can see your problem. I think im the only person on here that has that problem. But i know where you read you dyi food hood online. Its crap. If you want that effort look up 9ers tek.
Got my ten in my hand and a gleam in my eye I'm a loc'd out gangsta, set trippin' banger And my homies are down, so don't arouse my anger Fool, death ain't nothin' but a heart beat away
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wtfcrazymofo
foil hater



Registered: 07/26/15
Posts: 1,201
Loc: Colonial alley
Last seen: 10 hours, 17 minutes
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Re: Positive Pressure Glovebox [Re: tump]
#23802485 - 11/05/16 04:46 AM (7 years, 2 months ago) |
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Can you post a link to the food hood?
Edit: I guess you meant flow hood.
-------------------- If you want to eat->https://www.shroomery.org/forums/showflat.php/Number/8553541 Bag sealers are to bulky (my hood isn't that big) https://www.shroomery.org/forums/showflat.php/Number/28622922
Edited by wtfcrazymofo (11/05/16 04:47 AM)
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tump
ban the undead


Registered: 03/17/16
Posts: 2,383
Last seen: 6 years, 10 months
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Re: Positive Pressure Glovebox *DELETED* [Re: wtfcrazymofo]
#23802488 - 11/05/16 04:52 AM (7 years, 2 months ago) |
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Post deleted by tumpReason for deletion: The link was half copyed. This is where he got the idea
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tump
ban the undead


Registered: 03/17/16
Posts: 2,383
Last seen: 6 years, 10 months
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Re: Positive Pressure Glovebox [Re: tump]
#23802489 - 11/05/16 04:52 AM (7 years, 2 months ago) |
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TrippinArnold
The real Quaid



Registered: 07/13/12
Posts: 29
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Re: Positive Pressure Glovebox [Re: tump]
#23802537 - 11/05/16 06:02 AM (7 years, 2 months ago) |
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What you made would be a negative pressure glove box... positive pressure would be better because then any contaminate not already in the box would be forced away from the arm holes and lid gap. I made one with a 120mm delta fan and a small hepa filter.
-------------------- "Let's cook us some cubes, see what happens."---11th Doctor Who.
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eldearmano
Stranger


Registered: 10/07/16
Posts: 410
Loc: Colombia, South America
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Thank you! That's about a straight shootin' as it gets. I think I'll do that then... plug the tediously made holes :/
-------------------- On a quest to find the undiscovered mushrooms in the Sierra Nevada Mountains of the Caribbean coast of Colombia, South America.
  
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Mad Season
hookers and blackjack



Registered: 09/16/12
Posts: 12,666
Loc: Canada
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Re: Positive Pressure Glovebox [Re: eldearmano]
#23802617 - 11/05/16 07:20 AM (7 years, 2 months ago) |
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You'll do the blowing air with a HEPA into a glove box solution?.. Please tell me this is all just a mass trollin' thread
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eldearmano
Stranger


Registered: 10/07/16
Posts: 410
Loc: Colombia, South America
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Re: Positive Pressure Glovebox [Re: SuperFly]
#23802625 - 11/05/16 07:27 AM (7 years, 2 months ago) |
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There shouldn't be much of a gap on the lid as the inward pressure will suck the lid down, I'll also put some weight on the top to help with this.
If there's too much pressure, it will collapse on itself. This is why i used a tupperware bin instead of a cardboard box that folds up - seen in my youtube link.
-------------------- On a quest to find the undiscovered mushrooms in the Sierra Nevada Mountains of the Caribbean coast of Colombia, South America.
  
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eldearmano
Stranger


Registered: 10/07/16
Posts: 410
Loc: Colombia, South America
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Re: Positive Pressure Glovebox [Re: Mad Season]
#23802629 - 11/05/16 07:31 AM (7 years, 2 months ago) |
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Quote:
Mad Season said: You'll do the blowing air with a HEPA into a glove box solution?.. Please tell me this is all just a mass trollin' thread
The hole on the opposite end of the box is for the vacuum to suck air through the hepa filter on the opposite side. Air is pulled through the filter, into the box, and then down into the vacuum. The idea is no unclean air enters the box.
I wouldn't dream of trolling this board, it has been an enormous help to me.
-------------------- On a quest to find the undiscovered mushrooms in the Sierra Nevada Mountains of the Caribbean coast of Colombia, South America.
  
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Mad Season
hookers and blackjack



Registered: 09/16/12
Posts: 12,666
Loc: Canada
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Re: Positive Pressure Glovebox [Re: eldearmano]
#23802638 - 11/05/16 07:37 AM (7 years, 2 months ago) |
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I already understood.. but you have to account for the contams inside the box, how would you make everything inside sterile? With the vacuum going, you're mixing air all around inside there. A flowhood at least you're working right in front of a filter that supposedly had it running for 1 hour prior. A still air box works because there's no air flow moving contams everywhere, so it doesn't need to be sterile inside. With this hybrid thing, it just seems like way more work than necessary.
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WeavieWonder
Time Travel Sucks



Registered: 08/18/16
Posts: 1,455
Loc: USA
Last seen: 1 month, 4 days
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Re: Positive Pressure Glovebox [Re: Mad Season]
#23802715 - 11/05/16 08:26 AM (7 years, 2 months ago) |
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Just no. If you need something more elaborate than a plastic container with arm holes cut into it(which works great btw), at least use something that's actually going to work....like a flowhood.
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PinPornProducer
Buy the ticket, take the ride



Registered: 08/23/14
Posts: 9,981
Loc: Rocky Point R.I
Last seen: 6 years, 24 days
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That glovebox is gonna suck...
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Inocuole
Scalpel of Evil's Bane



Registered: 11/21/11
Posts: 24,863
Loc: ★
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I think everybody else has sufficiently covered what's wrong with this. Not to mention you're still discussing a negative pressure air box which... uh.... Yeah. That's gonna fuck you 110% of the time.
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TheMadHatter420
Trusted Farmer


Registered: 10/12/16
Posts: 12,941
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Re: Positive Pressure Glovebox [Re: Inocuole]
#23802925 - 11/05/16 10:22 AM (7 years, 2 months ago) |
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Invest in a good heap room air filter and just put it by your SAB. Clean air in general area for an hour before you work. Shut it off and use SAB correctly.
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WeavieWonder
Time Travel Sucks



Registered: 08/18/16
Posts: 1,455
Loc: USA
Last seen: 1 month, 4 days
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Quote:
PinPornProducer said: That glovebox is gonna suck...
I like it
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Thedillestpickle
cultured



Registered: 02/02/16
Posts: 1,170
Loc: Canada
Last seen: 3 years, 7 months
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first off, you should use a larger tote or build a large box with a plexi-glass window so that you can work with tall bags.
Secondly, you need to force filtered air into the box not pull filtered air in.
You'll need to go to walmart and find a small corrugated type hepa filter, probably 50$, or find one online for cheaper. Then use some glue and cardboard or whatever and some creativity to affix a small blower to the filter. It should force air into the box.
It's actually not a bad idea, it's just not commonly done because it's too much of a pain in the ass, and at the end of the day it's actually easier to build a flow hood and it's not going to look like garbage.
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Mad Season
hookers and blackjack



Registered: 09/16/12
Posts: 12,666
Loc: Canada
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No offense to anyone who thinks any air flow in a box you can't sterilize would be a decent idea, you're dumb. I'd rather have the inferior regular glove box over any hybrid shit
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NDStepp84
Stellar nuclear waste


Registered: 04/23/15
Posts: 4,956
Last seen: 1 month, 4 days
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Re: Positive Pressure Glovebox [Re: eldearmano] 1
#23805098 - 11/05/16 11:05 PM (7 years, 2 months ago) |
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So the idea is to suck dirty air from the room into the box and over your work then filter the exaust?
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"I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do. -Robert A. Heinlein
Links and teks ND's grow log and discussion Plant thread
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wtfcrazymofo
foil hater



Registered: 07/26/15
Posts: 1,201
Loc: Colonial alley
Last seen: 10 hours, 17 minutes
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-------------------- If you want to eat->https://www.shroomery.org/forums/showflat.php/Number/8553541 Bag sealers are to bulky (my hood isn't that big) https://www.shroomery.org/forums/showflat.php/Number/28622922
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