What does that mean or prove?
I suppose it could mean a number of things.
What does it mean that the same reef used to run successfully at 83.5°?
Maybe 79.5 - 83.5° should be the range to recommend!
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What does that mean or prove?
No, it's not. 76-79 is the accepted standard for reef tanks. Absolutely zero reason to run a reef at 80 or higher.
Well, I live in Phoenix, my heater hasn't even come on in almost 3 months, and last week we hit 95 degrees...
One thing you can do is put fans over the tank (or sump) blowing down at the water. I keep three desk fans over my tank, triggered by my Apex, and the tank stays between 77-79. I have more evaporation, but a big ATO container.
I realize evaporative cooling may be a little less efficient with higher humidities, but if you don't have a chiller, it is a quick fix...
I'm kind of getting tired of the ignorance and misinformation that's being parroted and promoted on this forum.
I dive an awful lot and in many locations around the world. Many if not most reefs will hit numbers in the mid 80's during the hottest months of the year. I have also been on the same reef and started the dive on the front side at 86 degrees and on the back side of the reed been at 76 degrees.... Daily swings are very dangerous and will stress out a tank and multiply any other problems but it is not uncommon in natural reefs to have thermoclines that will affect temp drastically... Just my .02.... If u keep your reef at 78 try like hell to keep it there.... If you keep it at 80 try like hell to keep it there.... Stability stability stability
Up to 80 is perfectly fine. After 80 there is a possibility acroporas may do a "Sanjay". This is either due to a sudden increase in a strain of bacteria or the coral being weakened by the warm water. My observation as a 26 year veteran.
Some fish and corals are hardier than others. Why risk everything in your tank?
Anything over 82 is a problem!!!!!!
If you spent tens of thousands and continue to spend time, effort and money daily, invest in a good chiller or central air conditioning!
What does that mean or prove? Nothing. You have your temp on your controller set and it shows 79.5 so it swings with a 1 degree variance if you have it set correctly with a chiller and heater meaning your max temp then is also 80.5? Fine, great. What's your point?
Please provide me with some peer reviewed literature on how it's beneficial to keep corals above 80 degrees. Or even provide me an article in which a known and respected expert (Fenner, Borneman, Sprung, et al) in the hobby recommend running a tank above 80? I don't think you'll find any. What you will find is that it is a known fact that corals will stress and begin to bleach at 86 degrees.
http://www.marinebiology.org/coralbleaching.htm
So why would you ever want to keep your aquarium at a temp close to the max tolerance? I'm kind of getting tired of the ignorance and misinformation that's being parroted and promoted on this forum. I think it's time for me to bow out for the time being...
76-79 is the accepted standard for reef tanks. Absolutely zero reason to run a reef at 80 or higher.
With the very warm weather that is upon us in the East, I think all reefers and especially folks that are new to the hobby must be aware of the dangers when tank heat goes over 78 and upward...It was close to 90 in my area yesterday after a cool spring...I looked at the tank temp and it was 79 degrees... luckily I have AC in that room...I took out the winter insulation quickly and flipped it on...it went down to 77...
So be aware that an overheated tank can kill your corals...if you don't have a chiller or AC, you better invest...its gonna be a hot...climate changed summer...
I've seen some reefs in the wild run in the mid to upper eightes , it was 90 here today and my tank only went up 2 degrees. I just don't want put the AC in yet!lolWith the very warm weather that is upon us in the East, I think all reefers and especially folks that are new to the hobby must be aware of the dangers when tank heat goes over 78 and upward...It was close to 90 in my area yesterday after a cool spring...I looked at the tank temp and it was 79 degrees... luckily I have AC in that room...I took out the winter insulation quickly and flipped it on...it went down to 77...
So be aware that an overheated tank can kill your corals...if you don't have a chiller or AC, you better invest...its gonna be a hot...climate changed summer...
We have one room with AC...that's where my DT is...moving my QT in there as we "speak"...global warming?...I would think so...I also have had to turn the AC on. This is probably the earliest in the season that I've had to have it on. I know last year I didn't need the AC until mid-June. I've had some years I can make it to July. Looks like this will be a long hot summer.