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Re: Air Exchange ?What to use?
    #90765 - 12/04/99 10:11 PM (23 years, 9 months ago)

If you can't afford an air pump than you will have to literally lift the lid seven or eight times a day and fan them. Unless your unemployed and stuck in the house all day this does't seem like a viable option. For an investment of less than $20.00 you can automate the whole humidifying system.

Also, if you are considering buying a aquirium pump, I would recomend you buy a cool mist humidifier. I know your broke right now, but when you get some cash trust me its worth it./ I got my Kaz brand at Kmart for only 13.99. Then tubing cost me an extra 2.00, but what the hell. It works fucking great and only produces one third the noise a pump does.

I am sure if you are a dedicated ameteur mycologist that you could start your pan trops today, and by the time they are ready for the cropping phase in the terrium you can scrape twenty bucks together. Peace

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Registered: 01/18/99
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Re: Air Exchange ?What to use?
    #90766 - 12/05/99 04:15 AM (23 years, 9 months ago)

Pros, terreriums, man your a little off. People like stamets grow in huge dedicated grow rooms. Much more complicated than simple aquarium pumps. Much much much more complicated. How can you really find it hard to come by an aquarium pump? Do you live in a part of the world without wal-mart, k-mart, petsmart, etc etc etc. Get a cheap one if your strapped for cash, unless you want to shell out the $5,000 for the professional air exchange system that stamets recomends.

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Re: Air Exchange ?What to use?
    #90767 - 12/05/99 08:40 AM (23 years, 9 months ago)

yes I know that large scale operations require large and expensive air exchange decives. But through that you avoided my original question, no, I don't have any money right now, yes I could probably get an air pump, but are there any plausable alternatives? Geez, you guys are hard to please, I thought this section was called Advaced mushroom cultivation not nitpick your way through everything everyone says just to show off your massive collective intelligence. Thanks again for all the help.

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Re: Air Exchange ?What to use?
    #90769 - 12/04/99 10:40 PM (23 years, 9 months ago)

Dan, since you want to automate the air exchange, you will need some equipment. The cheapest workable alternative I know about is an aquarium pump/bubbler. Less than $10 here to set up with K-mart taiwanese junk. This is limited in the terrarium volume it can service though. Probably 2 cubic feet max. I have used this setup with some success.

It is possible to grow Pans with nothing but perlite humidification and manual fanning. It's a pain in the butt though, gotta fan a few times every day, contamination risks go up, and the Pans don't do quite as well as when aeriated by a pump continiously. They will tend to be smaller in size and not mature as well for making good spore drops. Done it, don't recommend it. If you go this route put a shallower layer of perlite than normal, like 3/4 to 1 inch. Reason being that you don't need super humid air, 85-90% is what you want.

Or you could go with A cool-mist setup, in the long run that's what I'd recommend. But that doesn't sound like an option for you right now.

As far as a "new method" for air exchange, one of the reasons that an aquarium bubbler or especially a cool mist setup is so desirable is that it accomplishes the aeration with postive pressure in the terrarium. You are forcing humid, clean air into the terrarium. Manual fanning for air changing sux because you are fanning possibly contaminated ambient air into your terrarium. Something to consider when designing air exchange methods. Pans are notorious for contamination. When I was growing them I would lose 30-50% of the cultures to contaminates before they were totally exhausted. I very rarely ever lose a culture of more robust oysters, buttons, shiitakes, etc.

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