High temp control / greenhouse - The Planted Tank Forum
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post #1 of 5 (permalink) Old 02-24-2014, 07:44 PM Thread Starter
Algae Grower
Join Date: Mar 2008
Location: CT, USA
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High temp control / greenhouse

Hi all,

I just bought a house, and it has an attached greenhouse! I'm thinking of moving my 12-gallon planted/shrimp tank into there, and eventually expanding to a 50-gallon in there as well.

My question is, what methods are there for COOLING a tank? The greenhouse gets up to 75 in the dead of winter, and I am not sure yet how hot in summer. There is a circulating fan, and soffits that open up to the outside. The house itself has central air, so I am thinking the greenhouse will usually stay around 75-80.

Thanks in advance!
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post #2 of 5 (permalink) Old 02-24-2014, 10:30 PM
Algae Grower
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Location: Manhattan, Ks
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Look up dustin's fish tanks on youtube. He has some videos of how he dealt with problems building a green house might give you some ideas.
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post #3 of 5 (permalink) Old 02-24-2014, 10:33 PM
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Location: Pflugerville, Tx
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I would not want to try it in our greenhouse. Even here in central Texas, the night temperature goes way too low for plants without running a space heater to keep it 45. During the day at this time of year, the temps are running past 90 with the door and vents open. Lots depends on sun exposure and lots of other variables, but I believe you may find the temps vary a lot more than expected.
There are chillers and fans to cool the tanks but unless you are really willing to spend some real energy dollars, it will cost you.
And then you have to consider the once in a blue moon power failure question.
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post #4 of 5 (permalink) Old 02-25-2014, 02:34 AM
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Perhaps you could use a large sump that is inside the house exposed to climate control piped out to the outside tank. Heck maybe even just connect it to a large indoor display tank that is used as the temperature controlled sump for the outside tank.
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post #5 of 5 (permalink) Old 02-25-2014, 03:01 AM
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A chiller would keep it cold, we have one at work that's set to 75*F and another set to 65*F They work pretty well.

"And 5, very important 5... Don't let me eat pears.. I HATE PEARS."
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