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DJYoshaBYD

Registered: 04/07/07
Posts: 2,405
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using air pump and ultrasonic humidifier.. enough air exchange?
#6757786 - 04/07/07 01:03 PM (17 years, 9 months ago) |
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ok.. Im using a PF tek type method that I kind of changed and perfected over the last few years... I lost all my old equipment after a theft and I just bought some crap.... haha..
Ok.. My question is, with an air pump hooked up to an air stone running all the time and an ultrasonic humidifier running once every hour for 20 minutes would provide enough air exchange? It should, but I was wondering if anybody ever used just an air pump for air exchange
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Rahz
Alive Again


Registered: 11/10/05
Posts: 10,314
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Re: using air pump and ultrasonic humidifier.. enough air exchange? [Re: DJYoshaBYD]
#6757907 - 04/07/07 01:43 PM (17 years, 9 months ago) |
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I figured out that I needed 2 air pumps to deliver 6 air exchanges per hour to a 24 gallon tub. Of course, it will depend on the pump you use, but I would guess that one air pump would be plenty for a terrarium (around 12 gallons or so).
You can get a rough estimate by sucking the air from a bag and using the pump to fill it. Compare the bag to a gallon container and time how long it takes to get your gallon. If it took 60 seconds, that would be 60 gallons per hour, or, 5 air exchanges per hour for a 12 gallon terrarium.
-------------------- rahz
comfort pleasure power love truth awareness peace I am I feel I do I love I speak I see I know
"If you knew how quickly people forget the dead... you would stop living to impress people." — Christopher Walken
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RogerRabbit
Bans for Pleasure


Registered: 03/26/03
Posts: 42,214
Loc: Seattle
Last seen: 1 year, 10 months
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Re: using air pump and ultrasonic humidifier.. enough air exchange? [Re: Rahz]
#6757982 - 04/07/07 02:08 PM (17 years, 9 months ago) |
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Or, you could keep it simple and use neither. Lots of holes and five inches of well drained perlite will keep your tub in the upper 90% humidity range with good air exchange, and no worry about timing. RR
-------------------- Download Let's Grow Mushrooms
semper in excretia sumus solim profundum variat
"I've never had a failed experiment. I've only discovered 10,000 methods which do not work."
Thomas Edison
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Rahz
Alive Again


Registered: 11/10/05
Posts: 10,314
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Re: using air pump and ultrasonic humidifier.. enough air exchange? [Re: RogerRabbit]
#6759063 - 04/07/07 08:24 PM (17 years, 9 months ago) |
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That's profoundly simple
LOL, I should have said something. I posted a couple days ago asking about "small holes", and someone directed me to a post by you with the same pictures. I'll be using them in my next grow -w- an ultrasonic, since I'm casing.
-------------------- rahz
comfort pleasure power love truth awareness peace I am I feel I do I love I speak I see I know
"If you knew how quickly people forget the dead... you would stop living to impress people." — Christopher Walken
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dirtracer24
intrigued



Registered: 03/10/07
Posts: 285
Loc: upstate ny
Last seen: 3 years, 6 months
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Re: using air pump and ultrasonic humidifier.. enough air exchange? [Re: Rahz]
#6759110 - 04/07/07 08:37 PM (17 years, 9 months ago) |
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i just bought a 45 gallon tote to make a second monotub would 6 2 inch holes be enough fae with poly in the hole and i have like 4 fish tank pumps would it aid things any by running them since i have them anyow????
-------------------- why do we park in driveways?and drive in parkways?
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Rahz
Alive Again


Registered: 11/10/05
Posts: 10,314
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Re: using air pump and ultrasonic humidifier.. enough air exchange? [Re: dirtracer24]
#6759156 - 04/07/07 08:55 PM (17 years, 9 months ago) |
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4 fish tank pumps would probably be about right for 45 gallons, but they don't provide humidity... would dry out a mono tub. I was excited enough about fish tank pumps at one point to buy a couple, but I got over it.
Ended up giving them to a friend. Very useful for hydroponics I understand.
-------------------- rahz
comfort pleasure power love truth awareness peace I am I feel I do I love I speak I see I know
"If you knew how quickly people forget the dead... you would stop living to impress people." — Christopher Walken
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