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InvisibleAyePlusS
Stony Danza
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Registered: 12/18/14
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Re: Did ya build or buy a flow hood [Re: Mr_enforcer1]
    #26418087 - 01/05/20 06:13 PM (4 years, 24 days ago)

You got some serious research to do you’re gonna need a fan about 8-10x that size.


Static pressure on FP hoods is 1.0 but even at 0.0 your fan wouldnt be strong enough...


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Invisiblenatedawgnow
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Re: Did ya build or buy a flow hood [Re: AyePlus] * 1
    #26418089 - 01/05/20 06:15 PM (4 years, 24 days ago)

180cfm at open air is no where near enough for a 2x2 filter. You need one that blows
~1000cfm at open air and 400cfm at 1.2"sp


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OfflineHighHarles
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Registered: 07/07/18
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Re: Did ya build or buy a flow hood [Re: Mr_enforcer1]
    #26418100 - 01/05/20 06:20 PM (4 years, 24 days ago)

Quote:

Mr_enforcer1 said:
I can grab it for $30 brand new



Personally, I'd scoop it. Even if you dont end up using it you can resell that for some chump change to throw in your pocket. Might serve a use later another idea. New, for $30, is a fucking steal.


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InvisibleHobbit GDF
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Re: Did ya build or buy a flow hood *DELETED* [Re: HighHarles]
    #26418210 - 01/05/20 07:23 PM (4 years, 24 days ago)

Yeah I love mine. So far I done jars and agar work, printing and spawning, and cloning in front of my hood. I want to build another now. Mine is 24Γ—24Γ—6 with a Dayton 1tdu2. I use two pre filters with a thick fluffy expandable one unraveled and lain on top. Works perfect. So far 4 out 30 had bacteria. The batches before this last one I didn't lose a single plate . Jar were bacterial cause my oat prep game.
Building was fun


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OfflineVibe_Enthusiast
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Registered: 10/16/18
Posts: 2,420
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Re: Did ya build or buy a flow hood *DELETED* [Re: Hobbit GDF]
    #26418348 - 01/05/20 08:26 PM (4 years, 24 days ago)

I rock the SAB from a tub purchased from Walmart and the holes were made with a lid from one of my cooking pots - hasn't failed me:lol:


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OfflineMr_enforcer1
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Re: Did ya build or buy a flow hood *DELETED* [Re: Vibe_Enthusiast]
    #26418369 - 01/05/20 08:38 PM (4 years, 24 days ago)

Quote:

Vibe_Enthusiast said:
I rock the SAB from a tub purchased from Walmart and the holes were made with a lid from one of my cooking pots - hasn't failed me:lol:





SABs are amazing but I’m not doing 8 hours of work again kneeling on my floor in one


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OfflineVibe_Enthusiast
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Re: Did ya build or buy a flow hood *DELETED* [Re: Mr_enforcer1]
    #26418388 - 01/05/20 08:49 PM (4 years, 24 days ago)

Lmao I agree :skol:


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Invisiblesh4d0ws
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Registered: 02/26/08
Posts: 12,086
Re: Did ya build or buy a flow hood [Re: eLeSDenes]
    #26418517 - 01/05/20 10:36 PM (4 years, 23 days ago)

Quote:

eLeSDenes said:
Just source the materials from somewhere else, no need to buy the stupid expensive FP.
I built my 24x16 FH costing less than $350 with all parts. For the fan, forget the blowers, they are so expensive 350 wtf... Just pick up any inline fan which can deliver that airflow under pressure.




I use inline fan for 1+ years now, I built my first and only flowhood, decided on using one to cut down on costs a bit...

I based mine on this build : http://www.fungifun.org/English/Flowhood

Of course it seems pretty easy to get used blowers from hvac companies if you phone around but I probabl woulda never done that anxiety and shit :shrug:

FWIW, my inline fan (purchased on amazon) had a chart with the flow and pressure curve, so I was able to determine which one I needed very easily.

This company had graph for every model they had, I ended up needing a 12" one, but my filter is like 11" depth


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Offlinen0bel
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Re: Did ya build or buy a flow hood *DELETED* [Re: sh4d0ws]
    #26418636 - 01/06/20 12:52 AM (4 years, 23 days ago)

I bought mine and have zero regrets. To be fair, I'm older, have a great job, and disposable income. Looks like the cost difference between prebuilt and DIY is less than my hourly rate, so I'm fine with not trying to do it myself.


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OfflineAgarStudent
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Re: Did ya build or buy a flow hood *DELETED* [Re: n0bel]
    #26418654 - 01/06/20 01:28 AM (4 years, 23 days ago)

What was the model that you bought?  I have been having such drama finding a replacement...


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OfflineDurgin
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Re: Did ya build or buy a flow hood *DELETED* [Re: AgarStudent]
    #26418663 - 01/06/20 01:48 AM (4 years, 23 days ago)

Any reason why the motor from this wouldn't work for a small hood?

https://www.homedepot.com/p/WEN-5-7-Amp-660-CFM-Dust-Collector-with-12-Gallon-Bag-and-Optional-Wall-Mount-3401/304660870

Pumps out 660 cfm without a filter, so should be enough for a 24x18 or maybe even 24x24 filter to still get 100 fpm flow, right? At $96 new, it's much cheaper than most of the others being discussed, but maybe there's a downside I'm not seeing?

I also spent a stupid amount of time tonight looking up inline duct hepa filters that you could attach between the motor and the bag here. Seems like there's potential for a super-economical solution there (since there's a smaller and thus cheaper filter and a pretty inexpensive motor), with the end of the bag cut off (or maybe just some holes cut out to work and see inside) and all the work taking place inside there. Basically it's the same idea as the shmoovbox (sp?) but slightly less hacked-together.


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Offlinen0bel
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Re: Did ya build or buy a flow hood *DELETED* [Re: AgarStudent]
    #26418713 - 01/06/20 03:15 AM (4 years, 23 days ago)



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InvisibleGrumio

Registered: 10/18/19
Posts: 126
Re: Did ya build or buy a flow hood *DELETED* [Re: Durgin]
    #26419027 - 01/06/20 09:57 AM (4 years, 23 days ago)



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Offlinenotdave
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Re: Did ya build or buy a flow hood *DELETED* [Re: n0bel]
    #26423187 - 01/08/20 03:41 PM (4 years, 21 days ago)

After asking on here for advice on buying one, all I got was 'build one, it's cheaper'

so I bought this: https://www.wolflabs.co.uk/laboratory-products/laminar-flow-cabinets-horizontal/purair-lf/10181344

It's great and they gave me a free UV upgrade.
Way less stress than building one and it only cost me Β£2100 delivered ;-)

I'm all about DIY normally but I didn't want to sink hundreds of money into something that would have taken me weeks /months  to source parts then make and would have been shite because I'm no good at carpentry.


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OfflineRandalf the Grey
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Re: Did ya build or buy a flow hood *DELETED* [Re: notdave]
    #26423425 - 01/08/20 06:38 PM (4 years, 21 days ago)

$2753?! Holy fuck!
I'll use a SAB for the rest of my life before that.
Don't get me wrong, if you got the cash and are good with spending it, more power to ya man, but again, holy fuck!


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Offlinenotdave
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Re: Did ya build or buy a flow hood *DELETED* [Re: Randalf the Grey]
    #26425126 - 01/09/20 05:29 PM (4 years, 20 days ago)

Yeah it's a butt clenching amount of money but the stress avoided is totally worth it!
Poured 50 plates, left them for 3 weeks at room temp and only one was contaminated. Took me an hour, in a SAB, jeez, I don't even want to think about it.


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InvisibleKimble
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Re: Did ya build or buy a flow hood *DELETED* [Re: notdave]
    #26425161 - 01/09/20 05:52 PM (4 years, 20 days ago)

Are y'all using regular Hepa filters or minipleat/micro pleat. The latter seem thinner in general and with less S.P.


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Invisiblemurderlabz
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Registered: 05/18/19
Posts: 551
Loc: The Multiverse
Re: Did ya build or buy a flow hood *DELETED* [Re: n0bel]
    #26425170 - 01/09/20 05:59 PM (4 years, 20 days ago)

Quote:

n0bel said:
https://fungi.com/collections/laboratory-equipment/products/the-series-i-laminar-flow-hood




"7-ply maple housing"

Whats under the The 7-ply Maple veneer, particle board? Like what sub woofer boxes are made out of? Or is it all plywood?


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OfflineSmoothcat
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Re: Did ya build or buy a flow hood *DELETED* [Re: Kimble]
    #26425796 - 01/10/20 01:52 AM (4 years, 19 days ago)

Quote:

Kimble said:
Are y'all using regular Hepa filters or minipleat/micro pleat. The latter seem thinner in general and with less S.P.




I’ve just ordered a mini pleat and I believe edmunter uses one as well with no issues


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