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Offline3some
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Registered: 04/20/20
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Potential cheap flow hood
    #26786233 - 06/27/20 02:12 AM (3 years, 6 months ago)

Xiaomi Air Purifier 2H

Paid about USD100 for it. Left an agar plate open in front of it for 10mins to test. Four days later, the plate is still clean as a whistle. Flow definately not laminar and I have no intention of doing anything about that. All I added was plastic barrier for working area. Very limited space but very cheap.

Having high hopes. If it works out, some of you handy folks out there might want to explore this and convert it into a proper flow hood, laminar and all. Very powerful fan.



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Ask me about growing yeast, mold and bacteria. I'm very experienced. :tongue2:

The first post any newbie should read even before acquiring spores: Pastywhyte's Principles of mushroom growing for beginners


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InvisibleApples in Mono
Not a puppet


Registered: 09/21/17
Posts: 3,240
Re: Potential cheap flow hood [Re: 3some]
    #26786265 - 06/27/20 02:46 AM (3 years, 6 months ago)

If I were gonna do anything like this, I'd shmuvbox it


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OfflineMH5109
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Re: Potential cheap flow hood [Re: Apples in Mono]
    #26786266 - 06/27/20 02:47 AM (3 years, 6 months ago)

Whats the filter rating on it.


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Offlinemushpunx
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Re: Potential cheap flow hood [Re: MH5109]
    #26786302 - 06/27/20 03:46 AM (3 years, 6 months ago)

People used to build these things called "Shmuvbox" with these.

If you can't achieve laminar flow, use an SAB instead. Sterile airflow on it's own simply isn't enough. That certainly doesn't look convenient to work in front of anyways, which is the point of using an FH over an SAB

In a still air box we can work without sterile air by letting the air settle before working, never moving anything unsterile over top sterile media and using controlled hand motions to keep the air still.
The way a FH works, any contaminants that get loose become trapped in the sterile, laminar flow and are blown on a forwards plane instead of settling down into your media. When working you have to make sure nothing unsterile comes between the filter face and your media because contaminants can get blown into your sterile work.

The the contraption you have, any contams present could be blown anywhere.

If I were you, I would return it and use that $100 to build a kick ass lab style SAB out of plexiglass, or save it for a hood - could buy a blower with that. If you can't return it, use it to help scrub the air in your workspace.


Edited by mushpunx (06/27/20 03:51 AM)


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Offline3some
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Registered: 04/20/20
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Re: Potential cheap flow hood [Re: Apples in Mono]
    #26786375 - 06/27/20 05:19 AM (3 years, 6 months ago)

Quote:

Apples in Mono said:
If I were gonna do anything like this, I'd shmuvbox it




I thought about cutting a hole behind my SAB and attach this thing there. But I'll test it a bit more before doing anything drastic.


--------------------
Ask me about growing yeast, mold and bacteria. I'm very experienced. :tongue2:

The first post any newbie should read even before acquiring spores: Pastywhyte's Principles of mushroom growing for beginners


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Offline3some
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Registered: 04/20/20
Posts: 278
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Re: Potential cheap flow hood [Re: MH5109]
    #26786379 - 06/27/20 05:24 AM (3 years, 6 months ago)

Quote:

MH5109 said:
Whats the filter rating on it.




Says 99.97% for 0.3PM, whatever that means. If it could deliver clean enough environment for transfers, I'm a happy man. I have given up pouring agar already. Pastywhyte no-pour for me all the way.


--------------------
Ask me about growing yeast, mold and bacteria. I'm very experienced. :tongue2:

The first post any newbie should read even before acquiring spores: Pastywhyte's Principles of mushroom growing for beginners


Edited by 3some (06/27/20 05:43 AM)


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Offline3some
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Re: Potential cheap flow hood [Re: mushpunx]
    #26786385 - 06/27/20 05:29 AM (3 years, 6 months ago)

Quote:

mushpunx said:
People used to build these things called "Shmuvbox" with these.

If you can't achieve laminar flow, use an SAB instead. Sterile airflow on it's own simply isn't enough. That certainly doesn't look convenient to work in front of anyways, which is the point of using an FH over an SAB

In a still air box we can work without sterile air by letting the air settle before working, never moving anything unsterile over top sterile media and using controlled hand motions to keep the air still.
The way a FH works, any contaminants that get loose become trapped in the sterile, laminar flow and are blown on a forwards plane instead of settling down into your media. When working you have to make sure nothing unsterile comes between the filter face and your media because contaminants can get blown into your sterile work.

The the contraption you have, any contams present could be blown anywhere.

If I were you, I would return it and use that $100 to build a kick ass lab style SAB out of plexiglass, or save it for a hood - could buy a blower with that. If you can't return it, use it to help scrub the air in your workspace.





Can't fault a poor man from trying, right?

Based on this review, should be a very good idea to keep it just fro air scrubbing.



--------------------
Ask me about growing yeast, mold and bacteria. I'm very experienced. :tongue2:

The first post any newbie should read even before acquiring spores: Pastywhyte's Principles of mushroom growing for beginners


Edited by 3some (06/27/20 05:43 AM)


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Offlinemetaphoric
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Re: Potential cheap flow hood [Re: 3some]
    #26786461 - 06/27/20 06:25 AM (3 years, 6 months ago)

Quote:

3some said:
Quote:

Apples in Mono said:
If I were gonna do anything like this, I'd shmuvbox it




I thought about cutting a hole behind my SAB and attach this thing there. But I'll test it a bit more before doing anything drastic.




I saw someone do this, he claimed it worked great. I'll see if I can find the thread


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:mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom:
:mushroom:                  :mushroom2:                :mushroom:
:mushroom:            :mushroom2::mushroom2::mushroom2:            :mushroom:
:mushroom:      :mushroom2::mushroom2::mushroom2::mushroom2::mushroom2:      :mushroom:
:mushroom::cookiemonster: BEHOLD :elmo::mushroom:
:mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom:


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Offline3some
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Re: Potential cheap flow hood [Re: metaphoric]
    #26788137 - 06/27/20 07:28 PM (3 years, 6 months ago)

Quote:

metaphoric said:
Quote:

3some said:
Quote:

Apples in Mono said:
If I were gonna do anything like this, I'd shmuvbox it




I thought about cutting a hole behind my SAB and attach this thing there. But I'll test it a bit more before doing anything drastic.




I saw someone do this, he claimed it worked great. I'll see if I can find the thread




Any luck?

A friend who used to live in Beijing told me about this contraption when we were discussing about how bad the air pollution there is. So I figured if it could clean those Beijing air, it's worth a shot.


--------------------
Ask me about growing yeast, mold and bacteria. I'm very experienced. :tongue2:

The first post any newbie should read even before acquiring spores: Pastywhyte's Principles of mushroom growing for beginners


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Offlinemetaphoric
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Registered: 05/18/15
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Re: Potential cheap flow hood [Re: 3some]
    #26788324 - 06/27/20 09:23 PM (3 years, 6 months ago)

No, sorry, thought I tagged it but guess not. I remember he left agar plates open and they stayed clean. You already paid for the expensive part, might as well try it.


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:mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom:
:mushroom:                  :mushroom2:                :mushroom:
:mushroom:            :mushroom2::mushroom2::mushroom2:            :mushroom:
:mushroom:      :mushroom2::mushroom2::mushroom2::mushroom2::mushroom2:      :mushroom:
:mushroom::cookiemonster: BEHOLD :elmo::mushroom:
:mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom::mushroom:


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