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jpiotrowski 
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 Topic: Reef tank temp?
Posted: November 19 2007 at 9:15am |
I'm not sure how long it has been going on but the late part of summer I noticed the fish tank was hot to the touch. Needless to say the tank temp was 83.5. I took the tank through hell and back trying to figure out why the acro polyps weren't extending as far as they once would, only to find out they were being cooked! My own little global warming  was caused by a faulty heater.
Well, I lost a lot of acros  , but my porites is still alive with (knock on wood) little damage. This weekend I connected my heater (the culprit) to an x10 and programed it to turn on below 73F and turn off at 73.5. I figured the tank would heat up a bit but over a 24 hour period. the temp range was 73 to 73.8. I did notice however that the temp this morning was 73.4 so I am thinking the final temp will balance out around 74.2-ish.
The question is if I am able to keep my temperature fairly constant, with only a 1 degree increase. Is 73 warm enough?
John
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Adam Blundell
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Posted: November 19 2007 at 9:54am |
My tank is currently 83 degrees... I'd love for it to be 73....
Adam
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cl2ysta1
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Posted: November 19 2007 at 11:09am |
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my tank stays pretty constant at about 80-81. With the first inch of water being about 83. everything is doing great
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ReefBones
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Posted: November 19 2007 at 11:21am |
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I try and target 73* .. but usually runs around 77* by the end of the day ...
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140 gallon Reef
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cl2ysta1
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Posted: November 19 2007 at 11:40am |
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I <3 Boxers
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cl2ysta1
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Posted: November 19 2007 at 11:43am |
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I <3 Boxers
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Shane H
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Posted: November 19 2007 at 12:07pm |
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I'm with Adam, lower is better - but my tank was regularly over 80.
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jpiotrowski
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Posted: November 19 2007 at 12:11pm |
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Thanks for all the input. I never had a problem with temp before...I swear by pendent lights and an open hood! Which is why I didn't think to check the heater! My temp swings were crazy! 80 one day then 68-70 two days later. I'm sure that is why the corals were so stressed. I am suprised though that my fish don't show any signs of stress?
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Posted: November 19 2007 at 12:21pm |
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73? What temperature is your house?!
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Mike Savage
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Posted: November 19 2007 at 2:14pm |
 Amie wrote:
73? What temperature is your house?! |
Too cold 
John and I were just talking about this. He lives in the mountains and is on propane. It is too costly to heat the house much at night and when no one is home then the sun comes out and really warms the house up through the windows.
Mike
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jpiotrowski
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Posted: November 19 2007 at 2:21pm |
Mike is right. The solar energy is amazing at 8k feet. The loft, the tank isn't here, but it's my only measured exmaple, will be around 64-67 during the afternoon on a cloudy day with the outside temp at 20, but if the sun is out full the loft could get up to 80.
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dkle
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Posted: November 19 2007 at 2:24pm |
http://reefkeeping.com/issues/2004-05/rhf/index.phpThis is a great article to read. There is also a reference to temperature of most reef water (83-86F).
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Posted: November 19 2007 at 5:07pm |
jpiotrowski wrote:
Mike is right. The solar energy is amazing at 8k feet. The loft, the tank isn't here, but it's my only measured exmaple, will be around 64-67 during the afternoon on a cloudy day with the outside temp at 20, but if the sun is out full the loft could get up to 80. |
Do you have solar panels??
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eldiente
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Posted: November 19 2007 at 5:39pm |
That has some great info in it. Thanks for sharing!
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Brian
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BobC63
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Posted: November 19 2007 at 5:54pm |
Personally I keep my Reef between 76.8 - 80F... However, I think too large a daily temp 'swing' is more of an problem than what specific temp you choose as a target. 73F is probably OK - but what happens in the summer?
I don't think too many valley tanks could stay down in the lower 70s w/o a chiller running all summer long...
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GARFVolunteer
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Posted: November 19 2007 at 10:25pm |
I would like to keep my tank around 75 degrees but finances say to keep it at 79...
I never have agreed with Ron Shimek about water temps in reefs. Today's reef temperatures run anywhere between 68 (Galapagos) to 75.5 (Australia) to 86 (Palau where it is bleaching). It is currently summer time where the majority of the reefs are and most of them are less than 83 degrees... NOAA Coral Bleach watch usually shows bleaching events above 84 degrees.
Gotta love Google Earth...
Thanks,
Scott
Edited by GARFVolunteer - November 19 2007 at 10:50pm
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dkle
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Posted: November 19 2007 at 10:56pm |
eldiente wrote:
That has some great info in it. Thanks for sharing! |
I used to worry about the tanktemperature being on the high side; but after reading the article, I just let it ride. In the winter, my tank's temp is around 76-80. In the summer, it's around 80-82. My fish and corals don't seem to mind
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ReefBones
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Posted: November 19 2007 at 11:25pm |
Amie wrote:
73? What temperature is your house?! |
Between 70 and 72 is where I set the furnace ...
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801-865-6074
"encourage other divers and sea enthusiasts to take nothing but pictures and leave nothing but bubbles"
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shaggydoo
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Posted: November 20 2007 at 12:18am |
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I try to stay at around 80. Has always worked for me and so I just leave it alone.
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jpiotrowski
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Posted: November 20 2007 at 8:54am |
I bumped up the temp setting on the neptune to 75. The weather is changing in my parts so I need to be ready to be blasted by the cold. After three days the tank hasn't been warmer than 74.2, but one of my VHOs went out and of course all go out, so I'm sure that has something to do with the 73.0 reading this morning. I am worried that the heater wil not be able to keep up with the cold nights. I will be hooking the extra heater to an x10 and plugging that in tonight,
BUT I have to say that the X10 controlling the heater is sweet! I will eventually buy a new heater but I think I will have it hooked to the x10 as a back up in case the temp gets to high the x10 should cut the power!
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