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#2
06-27-2006, 04:45 PM
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The mag 18 I was sunning my skimmer with crapped out last night, so my tank should actually run cooler today!
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THE BARQUARIUM: 55 gallon cube - 50 lbs LR - ASM G3 skimmer - 30 Gallon sump - 22 Gallon refugium / frag tank - 4x 24 watt HO T5's - Mag 9.5 return - Pin Point PH monitor - 400 watt XM 20K MH in Lumenarc reflector - Dual stage GFO/NO3 media reactor - 6 stage RODI auto top up -Wavemaster Pro running 3 Koralia 2's. Fully stocked with fish, corals and usually some fine scotch http://www.canreef.com/vbulletin/showthread.php?t=55041 
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#3
06-28-2006, 03:44 PM
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I would like to reiterate my question.
Whats the maximum safest temperature I could allow before I have to start panicking? With all these fans going, and playing around with them, there is temperature swings from 83-77. Are most things going to adjust to that kind of swing?
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#4
06-28-2006, 04:00 PM
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We can't give exact numbers because it depends on the animals you are keeping, how quickly the swing in temperature happens, and also the accuracy of whatever device you are using to measure temperature could be off by a couple degrees potentially too.
If you are getting anything over 80, and it is a hot day and potentially getting hotter, I would play it safe and throw in a couple of frozen pop bottles. If your tank temp drops too much, your heaters will kick in. And install fans if you haven't already.
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#5
06-28-2006, 04:00 PM
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I wouldn't let it go higher than 83. 86 at the absolute highest.
If possible keep it within 3 degrees of your current temperature. Ocean temps do not change more than 1 degree a day apparently, so we should try to aim for stability. Any time you bring your temp down you won't want to do it too quick. I've got my lights on a reverse cycle over the summer. They come on at 2am and go out at 10am. Actinics are on from 6-12 so that I can see the tank when I'm home from work. This way the hot MH lights are on at the coolest part of the day. My temp range is 77-80 using this method. So far, I haven't needed to use any other method to cool the tank. You can also use fans, small water changes, and clean pop bottles of frozen RO to chill it. I've considered frozen cubes of Ro water for top off... holding it in the tank and letting it dissolve cube by cube.
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Visit the Vancouver-based Reef Network at http://reefnetwork.blogspot.com/
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#6
06-28-2006, 04:02 PM
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I have heard of tanks hitting 85 for a while without any ill effects, so 86 sounds like a decent "max".
Anything over 80 and I would panic, because my tank temp doesn't ever go over 78.
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#7
06-28-2006, 05:33 PM
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This morning my tank was only 77.1 I still have no heater or livestock in my tank so it really does not matter what it goes to, but I would rather it be too cold than too warm
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Manuel it's not the size of the fish, it's the motion in the ocean!
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#8
06-28-2006, 05:41 PM
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My tank has been fluctuating between 82 in the morning and 84 in the evening. Normal temp is 78-81. No ill effects yet... other then corals growing very quickly
 I have heard of one tank fluctuating between 79-89 everyday..
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Brennan
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