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OfflinePinkStormtrooper
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Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration * 3
    #26657357 - 05/08/20 12:37 PM (3 years, 9 months ago)

dont do this its a total fucking waste of time. a SAB works perfectly fine. fix your technique.





Following is a rare editors preview glimpse at the prototype Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration.



Difficulty: Medium
Skill Level: 2 - 3
Time Required: Time Is Irrelevant
Materials Required: shit around the house. If you need to buy anything, dont fuck around and just build a fucking flowhood.  fuck.
Status: in-testing



The Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration is a highly advanced AI engineered lab-quality device that has been created with the end-user in mind. Wether you are just tending memes, or doing real science shit, the Ballscratcha3000 is the solution that offers you full control of your work environment.

Positive Air Pressure principles are widely used in places like operating theaters and other sanitary environments. When combined with our HERP™ (Highly Efficient Removal of Pathogens) Filters, we can now offer the consumer hospital-quality workspaces for a fraction of the cost.







OK first off a few things. Im super boredAF over here sitting inside since what april or whenever. I had all this shit laying around so I just said what the fuck, fuck it will kill a friday lets do it. And these monotubs are 3 bucks so fuck them too.

Im going to add some interior lights as soon as I find something around here to take apart and get the light out of. Maybe go up in storage and get a string of christmas lights and fuck around.

If you are STILL going to do this stupid ass thing to your perfectly good SAB (fuck I just did too so you arent alone) even after you read every post on the internet that says how bad this idea sucks, then this is the post you want to read, cuz were fixing to make another one.









The fan used is    NOT    a computer case fan. it is AC powered. Its on a whole fucking other level. it does happen to be 120mm. This thing will chop your fucking finger off. I got too close to it and it shaved my ballhair off so thats how it got its name.

Its a real muffin fan. from 1979. Nineteen fucking seventy nine! when america was great the first time. they are sorta still around - comair rotron, hopefully they will get back to 100% USA made:


it says 14w some egghead probably can know how many CFM it is. It blows shit around con gusto. I had one in a roof for a smoking vent once and got my pinky finger in there and it fucking half chopped it off. its a badass fan. in todays world Id try a 4" - 6" inline fan with like 200 CFM.




So - take your perfectly good SAB that you are fixing to fuck up and take your fan and a sharpie and sketch out where shit is going



then go get your dremel and dremel that shit out homey. dont try a blade or xacto these chinese fucking piece of shit tubs crack when you do that. either use something hot or a grinder or dremel. So make the airhole for the fucking fan to blow into the fucking tub.



after you got that shit carved out, poke out some holes for the nutznbolts






test fitting the Ballscratcha fan on prototype unit #000000001









Oh and the filter of choice - the cheapest fucking HEPA filter I could find online. EF1 form factor. like 4 fiddy. the great thing is that it fits just in between the mount screws on a 120mm fan.
the bad thing is the long side doesnt cover all the way across a fucking 120mm fucking fan hole holy fuck who designed this crap. time to engineer some shit.






by the way, besides HEPA is a thing called MERV. Like MERV13 is the same as HEPA. So check out MERV rated filters it dosent have to 'be' HEPA thats some communist sales gimmik shit.




I was going to mount everything ouside the box and just pinch the filter inbetween the fan body and side of tub, but I liked the no air gap of the fan upside the side of the tub. And this filter doesnt cover the entire fucking hole.
So I got the engineers #1 goto tool - duck tape, and affixed the filter to the inside of the box, and layered up where the filter did not cover the fan cutout, as shown in the premiere photo:












Early lab prototype and design testing (again prototype unit #00000000001 shown) demonstrates a proper amount of measured air velocity using the "fuckin Bic Lighter technique":









The final test procedure will be the "leave a fucking agar plate out in the open and see if that shit contaminates breh" test. Watch for a future update.






sometimes, this shit works OK, if you can keep it real clean and work at the back of the box, it works pretty well even.

The trouble is that an SAB is way way way fucking 10,000 times easier, and more forgiving. Still Air lets the bad particles in the air (fungus/mold/spores just like the weatherman tells you) fall STRAIGHT down by gravity, as there is no air current to float them, keep them aloft, no bouancy inside the STILL AIR box.
You put a wet towel down on the bottom of the box to catch em, and  maybe spritz a sidewall, and youre done.
if the positive air box method actually did work and was worth doing though, it would be doing so primarily by not letting any uncontrolled or unfiltered air flow IN to the chamber. Any air introducted into the chamber will be from the filterd fan source only.
Secondly there must be enough positive pressure within the chamber area that any air outside the controlled-air chamber must not be allowed entry into the chamber.

Additionally, anything placed into the chamber must be clean. Further, now the entire chamber itself must be clean. Or you are just going to blow germs all over fucking everything.

Next, you are going to stick your sweaty ass arm thru the armhole, and blow skin cells and armhair and shit around everywhere. So now you need tyvek arms or fucking cow-puss exam gloves or some shit.


So this is why everyone says dont fucking do this. But I knew all that going in, so fuck it. I was bored and science and shit.


--------------------
"say, you got a little astroglide on your moustache"


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Invisiblethelanzii

Registered: 11/13/12
Posts: 5,434
Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration *DELETED* [Re: PinkStormtrooper] * 1
    #26657379 - 05/08/20 12:46 PM (3 years, 9 months ago)

Post deleted by thelanzii

Reason for deletion: sdfsdf


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Offlinetrip_hazard
Lost in thunk
I'm a teapot User Gallery


Registered: 08/29/18
Posts: 166
Loc: The happiest place on ear...
Last seen: 24 days, 2 hours
Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: thelanzii] * 1
    #26657619 - 05/08/20 02:37 PM (3 years, 9 months ago)

:whoawut:

:megusta:


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InvisibleKimble
Idiot
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Registered: 03/08/18
Posts: 508
Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: trip_hazard] * 1
    #26657638 - 05/08/20 02:44 PM (3 years, 9 months ago)

:ohwow:


--------------------


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Invisibleeatyualive
Eat's You Alive :)
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Posts: 19,026
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: Kimble] * 1
    #26657718 - 05/08/20 03:20 PM (3 years, 9 months ago)

:lmafo:


--------------------
EAT GETS SHIT DONE


:flame::chief:JOIN THE POW WOW:chief::flame:


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OfflineSockadin
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: eatyualive]
    #26658017 - 05/08/20 05:53 PM (3 years, 9 months ago)

:like:


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OfflineLogicaL ChaosM
Ascension Energy & Alien UFOs
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Re: Ballscratcha3000® Positive Air Box (PAB) with DERP™ Filtration [Re: PinkStormtrooper]
    #26658035 - 05/08/20 06:03 PM (3 years, 9 months ago)

:unbelievable:


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Offlineentheo_heathen
Unrepentant Heathen
I'm a teapot


Registered: 01/24/08
Posts: 401
Last seen: 2 years, 30 days
Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: LogicaL Chaos] * 1
    #26658723 - 05/08/20 10:47 PM (3 years, 9 months ago)

Brilliant write up.

:cheers:


--------------------
Entheogenic Heathen

I Am Shroomery (And So Can You!)  ~
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OfflinePinkStormtrooper
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: entheo_heathen] * 1
    #26659338 - 05/09/20 06:34 AM (3 years, 9 months ago)

thanks erryone it was fun and I was out of my mind for a while.

Hope it helps illustrate to all the new people (myself included) some of the design and sanitation challenges of trying this. because it looks kickass and I know it LOOKS like a cheap way out of buying/building a flowhood.

tbh the physics gods came down to me last night and said remove the front piece and ill quit getting the air turblulence - just let the air out the front - Im blocking it with the in-between-armholes piece of wall and making it bounce around. I also think I caught a bit of venturii effect at the outside edge of the right side arm hole, which would completely defeat the positive air. fucking good science though I learned a bunch.

Need to rig up an insence smoke machine test and check airflows. since this tub is borked Ill probably go ahead and remove the whole front armhole area just to see what the hell it does in wind tests


--------------------
"say, you got a little astroglide on your moustache"


Edited by PinkStormtrooper (05/09/20 06:36 AM)


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OfflineSockadin
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: PinkStormtrooper] * 2
    #26659360 - 05/09/20 06:56 AM (3 years, 9 months ago)

See if you can find a cheep swamp cooler on the interwebs and repurpose the cooling fins to fit in the back infront of the fan.

Will help to create laminar flow .


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OfflineZakkery
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Registered: 10/15/18
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: Sockadin] * 1
    #26659475 - 05/09/20 08:26 AM (3 years, 9 months ago)

This is some punk rock shit, bro.

:rockon:


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OfflinePinkStormtrooper
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: Zakkery]
    #26683800 - 05/20/20 05:17 PM (3 years, 8 months ago)

shroomers let us continue this episode

you know we could not stop there. This all had a point. to get us to this moment. It's now, now.



OK you broke your SAB, and now you are sad. Nice going. Everyone told you don't do it. but you did it. You didn't listen. Why didn't you listen? And you could just give up now and buy a professionally made flowhood. One that is precicely machine cut and is accurate and proven works. But you do not want to buy a thousan dorra flowhood. So what do. Spend twice that for half the result and science that shit!


Get one of these




and do some of this




and holy shit I am NOT a carpenter


but fuck if this isnt a box


--------------------
"say, you got a little astroglide on your moustache"


Edited by PinkStormtrooper (05/20/20 05:21 PM)


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OfflinePinkStormtrooper
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Registered: 04/11/20
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: PinkStormtrooper]
    #26683808 - 05/20/20 05:19 PM (3 years, 8 months ago)

edit: 20x25 is large. and heavy.

had a top-secret prototype blower but it was too small. Will send back. Getting a larger blower. Still top-secret.

somewhere on this site I read 100cfm per sq ft of filter so 20x25 = 3.5sq ft = 350 cfm blower at filter StaticPressure rating if thats anywhere near true it makes calculating blower much easy.


--------------------
"say, you got a little astroglide on your moustache"


Edited by PinkStormtrooper (05/20/20 05:26 PM)


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Invisiblealaskappalachian
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Registered: 10/22/19
Posts: 1,688
Loc: The 49th Dimension
Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: PinkStormtrooper]
    #26684067 - 05/20/20 07:02 PM (3 years, 8 months ago)

:bongload::popcorn:


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OfflineSpaceDrooze
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Registered: 05/03/19
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: PinkStormtrooper]
    #26684108 - 05/20/20 07:22 PM (3 years, 8 months ago)

Thank you for your service


--------------------
Everything has to be happening for This to be happening


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OfflinePinkStormtrooper
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: SpaceDrooze]
    #26684136 - 05/20/20 07:33 PM (3 years, 8 months ago)

Box construction materials and cost so far:
2 qty 12"x24" shelf board - $12
2 qty 12"x36" shelf board - $14
1 qty 1"x2"x8' trim piece - $5
1 qty 20"x25" return register grille - $30
1 qty fake HEPA homeDepotFPR10 filter - $15
1 qty tube of monkey snot sealer - $5
1 qty thing of screws - $5

It ain't cheap even if you try to be cheap. I dont have access to a table saw and a 1"x12"x8' is $25 and the shelfboards were $26 so its a wash there.

I laid the grille on its face and used the 1"x2" to frame up around it. Then I screwed the shelfboards to the 1by ^^.
Then I squared up the corners on the shelfboards and screwed them to each other.
Then I gorilla glued every seam.


--------------------
"say, you got a little astroglide on your moustache"


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Offlinejcm4620
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: PinkStormtrooper]
    #26684164 - 05/20/20 07:47 PM (3 years, 8 months ago)

or u can spend 10$ on a tote at wally world. personally id take the tote sab over that any ol day of the week. there is no substitute for a flow hood. still air boxes work cuz of the still air hence the name lol. but i think the only thing positive about this is that you will positively have contams in your work.


--------------------
PANAEOLUS FRUITING MADE SIMPLE



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OfflinePinkStormtrooper
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: jcm4620]
    #26684180 - 05/20/20 07:55 PM (3 years, 8 months ago)

Quote:

jcm4620 said:
or u can spend 10$ on a tote at wally world. personally id take the tote sab over that any ol day of the week. there is no substitute for a flow hood. still air boxes work cuz of the still air hence the name lol. but i think the only thing positive about this is that you will positively have contams in your work.




I had a tote you nancy. Thats the easy way. I did not like working in a confined box. And I paid $2.99 for it, you over there buying rich man 10 dolla totes all showing off and whatnot


--------------------
"say, you got a little astroglide on your moustache"


Edited by PinkStormtrooper (05/20/20 07:56 PM)


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Offlinejcm4620
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: PinkStormtrooper]
    #26685725 - 05/21/20 01:37 PM (3 years, 8 months ago)

nancy huh well i will gladly be a nancy with clean cultures🤷🏼 so have fun with your contamination station cuz thats all that thing will be. the point of a still air box is that it has still air. this is something id expect to find on a redit or facebook cultivation pages. no good cultivator would ever do this. if you want a fh buy or build 1. otherwise use a properly built sab. sorry man not tryin to shit on your parade but this is just an absolute terrible idea and its bad shit like this that newbs run into and think its good cuz they really dont know any better. so they pass it around and thus the terrible info cycle just keeps goin.


--------------------
PANAEOLUS FRUITING MADE SIMPLE



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OfflinePinkStormtrooper
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Re: Ballscratcha3000® Positive Air Box (PAB) with HERP™ Filtration [Re: jcm4620] * 1
    #26686039 - 05/21/20 04:19 PM (3 years, 8 months ago)

Quote:

jcm4620 said:
nancy huh well i will gladly be a nancy with clean cultures🤷🏼 so have fun with your contamination station cuz thats all that thing will be. the point of a still air box is that it has still air. this is something id expect to find on a redit or facebook cultivation pages. no good cultivator would ever do this. if you want a fh buy or build 1. otherwise use a properly built sab. sorry man not tryin to shit on your parade but this is just an absolute terrible idea and its bad shit like this that newbs run into and think its good cuz they really dont know any better. so they pass it around and thus the terrible info cycle just keeps goin.




yes, I totally 1000% agree. did you read the OP?

the very very very very first line says don't fucking do this to your SAB.

Then, in the middle, we discuss it again.

Finally, the summray paragraph of OP; again it says exactly why you should not do this to your SAB.

It was done EXACTLY for the noobie, so they can see WHY DON'T do this.

Thank you for supporting this view.


--------------------
"say, you got a little astroglide on your moustache"


Edited by PinkStormtrooper (05/21/20 04:19 PM)


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