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 psyphon
mneumatic device
Registered: 11/27/01
Posts: 565
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 Gas exchange: Aquarium Pumps and Coolmists 
#691306 - 06/20/02 06:11 PM (22 years, 7 months ago) |
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I've read that aquarium pumps don't provide enough gas exhange so I wonder how many pumps of what strength would be required for a medium to large terrarium (15-30 gallons)?
Also, the main reason I ask this is that I'm having some trouble with my coolmist. Its a vics (by kaz) and when I first started using it water would collect around the interface between the motor unit and the tank since it doesn't seal perfectly. This caused a good deal of the water to end up around the coolmist unit instead of the terrarium. I hoped to seal it with silicone sealant and then carefully separate the units so that a seal could be maintained but the unit could still be cleaned. The only time the coolmist worked to my satisfaction was when it was all sealed up, but I opened it for cleaning and it has since given me problems. It was only after I did all this that I realized that the problem may be related to airflow within the coolmist. I put the hose in the side of the tank since that was the highest point possible and I duct taped the original output. I have since tried to put the tube in the original output and seal the side hole but the tube doesn't fit well there and it has been hard to seal and has resulted in worse performace and even more water where it shoudn't be.
The other reason I ask about air pumps is that I've read about people placeing the output end of the tube in a container of water + H2O2 soaked perlite for air and humidity this seems better and easier, does anyone have any experience with this? I was thinking that this plus additional air pumps could be cheaper or equal in price to the coolmist with better performance and greater ease of use.
I thank you for any help you can provide.
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"The real voyage of discovery consists not in seeking new landscapes but in having new eyes."
- Marcel Proust
I wish you all ceaselessly flowing moments of happiness.
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 bassplayer74
old hand
Registered: 11/23/01
Posts: 906
Loc: Tennessee
Last seen: 14 years, 3 months
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 Re: Gas exchange: Aquarium Pumps and Coolmists [Re: psyphon]
#691465 - 06/20/02 07:25 PM (22 years, 7 months ago) |
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I have the original output taped up and I have 4 garden hoses coming out of my cool mist. I'm sure I could have 4 more with no problems either. The tubs I use are big sterilite tubs. I can cut the humidifier on for a couple mins and I get 99% in all tubs. I run a timer if I have casings.
I'm sorry to hear about your cool mist problems. Ive never had a problem and love mine. All my seals are fine. 
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If you will it, it is no dream.
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psyphon
mneumatic device
Registered: 11/27/01
Posts: 565
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Re: Gas exchange: Aquarium Pumps and Coolmists [Re: bassplayer74]
#691488 - 06/20/02 07:38 PM (22 years, 7 months ago) |
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Thanks for your reply
Since you have 4 hoses I assume they are spaced evenly? Do you think that my single hose could be causing an airflow problem (from the unevenness) and thus the leaking?
Thank you.
--------------------
"The real voyage of discovery consists not in seeking new landscapes but in having new eyes."
- Marcel Proust
I wish you all ceaselessly flowing moments of happiness.
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Frog31337
Stranger
Registered: 06/17/02
Posts: 779
Loc: Midwest, US
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Re: Gas exchange: Aquarium Pumps and Coolmists [Re: psyphon]
#691867 - 06/21/02 05:01 AM (22 years, 7 months ago) |
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Depending on your hose size you might have too much pressure inside the humidifier to equalize through your one hose. The humidifier can only push X number cubic feet per minute through say a 5/16" hose but is trying to generate more. Two possible fixes would be to add another hose, or adjust your timer (if possible) to run for a shorter duration but more frequently. I hope this makes sense. Good luck.
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bassplayer74
old hand
Registered: 11/23/01
Posts: 906
Loc: Tennessee
Last seen: 14 years, 3 months
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Re: Gas exchange: Aquarium Pumps and Coolmists [Re: psyphon]
#692004 - 06/21/02 06:21 AM (22 years, 7 months ago) |
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Ya...you dont want the humidifier to be producing more humidity that can be let out of it. Will leak from the seal for sure.
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If you will it, it is no dream.
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di11rod
member
Registered: 12/04/01
Posts: 179
Last seen: 15 years, 1 month
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Re: Gas exchange: Aquarium Pumps and Coolmists [Re: bassplayer74]
#692028 - 06/21/02 06:38 AM (22 years, 7 months ago) |
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BASSPLAYER,
That sounds like too much humidity for casings, how do you even it out? Do you also depend on the coolmist for all your air exchange needs?
appreciatively,
di11rod
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bassplayer74
old hand
Registered: 11/23/01
Posts: 906
Loc: Tennessee
Last seen: 14 years, 3 months
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Re: Gas exchange: Aquarium Pumps and Coolmists [Re: di11rod]
#692042 - 06/21/02 06:49 AM (22 years, 7 months ago) |
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I set the timer accordingly whether I have casings or cakes.
I usually don't use my humidifier at all for casings. They produce enough humidity by themselves. I just fan and mist.
If I dont want to fan and mist though the cool mist works fine for humidity and air exchanges.
Bottom line is you gotta do whatever is necessary to keep conditions optimal for whatever way you are growing.
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If you will it, it is no dream.
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REPLICON_TRON
there is nospoon
Registered: 09/16/02
Posts: 34
Last seen: 22 years, 3 months
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Re: Gas exchange: Aquarium Pumps and Coolmists [Re: bassplayer74]
#898815 - 09/22/02 05:25 AM (22 years, 4 months ago) |
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garden hoses!......!!! Ah yes ...the answer to my problems......AND they are FREE............that is if you have a pocket knife.....now lets see ....where is that pocket knife...oh yes..THANK YYOU
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