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Amazon Shop for: ½ Pint Jars, HEPA Filter

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OfflineCrabbyAss
sharp shooter

Registered: 06/02/02
Posts: 176
Last seen: 10 years, 22 days
flowhood help?
    #1904741 - 09/11/03 11:22 AM (13 years, 4 months ago)

f


Edited by CrabbyAss (09/11/03 08:21 PM)


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OfflineSeussA
Error: divide byzero

Folding@home Statistics
Registered: 04/27/01
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Re: flowhood help? [Re: CrabbyAss]
    #1904757 - 09/11/03 11:31 AM (13 years, 4 months ago)

> can there be two much pressure?

yes. Too much pressure will blow the particles you are trying to stop right through the filter.

> the air flow is almost enough to blow a metal mason jar lid.

Sounds like too much. It should barely blow out a lit match from about two feet from the filter.


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InvisibleArsey
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Registered: 08/25/03
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Re: flowhood help? [Re: Seuss]
    #1904967 - 09/11/03 01:03 PM (13 years, 4 months ago)

IMHO it's better to build an emclosed box with a clear plastic window that has a an opening to work through, than trying to mak some kinda laminar flow-a-ma-gigger.

As long as you maintian a positive pressure of clean hepa filtered air inside the box the contam's will be blown outward. If everything that goes inot the box is wiped with alcohol or sterile your contam rates will be minimal. When the unit is off just seal across the opening in the plastic with household plastic kitchen wrap. If you need to flame a loop inside the clean box just use a blue-flame lighter.

-RC


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OfflineCrabbyAss
sharp shooter

Registered: 06/02/02
Posts: 176
Last seen: 10 years, 22 days
Re: flowhood help? [Re: CrabbyAss]
    #1906476 - 09/11/03 06:24 PM (13 years, 4 months ago)

f


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Amazon Shop for: ½ Pint Jars, HEPA Filter

Mushrooms, Mycology and Psychedelics >> Advanced Mycology

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