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OfflineJoops
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PMP - Two 90Q chambers. Use one 20-60gal pump per chamber, or one for both?
    #5683398 - 05/28/06 01:12 PM (17 years, 8 months ago)

Making a PMP. Have two chambers. They are 90q and longer/rectangular in shape. The air pump in use will be a 20-60gallon dual outlet pump. It moves up to 2800cc's of air a minute. 2 wands per tub, ofcourse.

What is the better thing to do: Use a single pump for both tubs by splitting the two outlets in to four, or using individual pumps for each chamber? Not looking at the cost of material, what would be ideal?

Thanks


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OfflineSnaggletooth
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Re: PMP - Two 90Q chambers. Use one 20-60gal pump per chamber, or one for both? [Re: Joops]
    #5683554 - 05/28/06 02:39 PM (17 years, 8 months ago)

this might help, just use your numbers to do the math, http://www.shroomery.org/forums/showflat.php/Number/5156746#Post5156746


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OfflineMagicalKnife
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Re: PMP - Two 90Q chambers. Use one 20-60gal pump per chamber, or one for both? [Re: Snaggletooth]
    #5683671 - 05/28/06 03:45 PM (17 years, 8 months ago)

Wot does PMP stand for? Can't find that link with all the acronyms. :mushroom2:


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OfflineSnaggletooth
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Re: PMP - Two 90Q chambers. Use one 20-60gal pump per chamber, or one for both? [Re: MagicalKnife]
    #5683686 - 05/28/06 03:51 PM (17 years, 8 months ago)

Poor Man's Pump  :wink:


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OfflineJoops
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Re: PMP - Two 90Q chambers. Use one 20-60gal pump per chamber, or one for both? [Re: Snaggletooth]
    #5684301 - 05/28/06 06:58 PM (17 years, 8 months ago)

Thanks for the help! I have determined that 2.4 complete air exchanges will occur per hour if one pump is running at the optimum pace of 2800cc/minute.

Now I ask if this is too much air exchange, or just fine. I can't understand this part from the link:
Quote:

A maximum number of air exchanges/hour for Psilocybe cubensis 1.:3.




Does that mean 1.3/hr or 1-3 an hour?


Edited by id4rox (05/28/06 07:12 PM)


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OfflineSnaggletooth
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Re: PMP - Two 90Q chambers. Use one 20-60gal pump per chamber, or one for both? [Re: Joops]
    #5684328 - 05/28/06 07:07 PM (17 years, 8 months ago)

ahaha no that's not it, try this  http://www.onlineconversion.com/volume.htm

2 800 cubic centimeter = 0.098 881 066 cubic foot


:thumbup:


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OfflineJoops
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Re: PMP - Two 90Q chambers. Use one 20-60gal pump per chamber, or one for both? [Re: Snaggletooth]
    #5684349 - 05/28/06 07:14 PM (17 years, 8 months ago)

thanks snaggle! I assumed I could just convert 2800 centimeter to feet then tack the cubed back on :smile: Does 2.4 air exchanges an hour seem to be too much? That is, assuming, it runs at the optimal 2800cc/minute. Would using one pump per tub be good, or would it be better to split a pump among two tubs, for 1.2 air exchanges an hour? Both pumps are already on hand, so splitting one pump just means returning one of them to walmart for $10...


Edited by id4rox (05/28/06 07:15 PM)


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