1 degree swings

  • Thread starter Thread starter Wick
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As a diver, I've seen vertical thermoclines where the temperature can change drastically in an instant. You can actually see the temp change as it kind of looks like oil and water coming in contact. It's kind of natural and happens all of the time.

I've got my temp controller set to come on at 78 degrees and go off at 79. I've seen temp go from 77.? to near 80 depending on time of year and ambient room temp with no adverse effects. In my opinion, minor temp shifts, even rapid ones are not a cause for concern.
 
I don’t see any problems with even a couple degrees I wouldn’t want much more than a couple either way though. For instance set at 78 drop to 75/76 or 79/80 no big deal but more then may start having issues.
 
I'd forgotten to turn my return pump back on and the temp dropped at least 6-7 degrees in 10 hours, turned the pump back on when I got home and it got back to 79 within a few hours. No issues with inverts or corals.
 
As a diver, I've seen vertical thermoclines where the temperature can change drastically in an instant. You can actually see the temp change as it kind of looks like oil and water coming in contact. It's kind of natural and happens all of the time.

I've got my temp controller set to come on at 78 degrees and go off at 79. I've seen temp go from 77.? to near 80 depending on time of year and ambient room temp with no adverse effects. In my opinion, minor temp shifts, even rapid ones are not a cause for concern.
OMG yes. You can really feel it when you don't have a wet suit.

My experience diving is what got me to get away from the narrow range of temperature. In the summer I let the tank ride up to 83 and fall as the cooler night comes. In the winter I let the temp fall down to 74 and move with the daily swing.

I really sat down and examined why for so many years I thought it was important to have a very narrow temp when my experience diving told me that this isn't what it is like in the wild. I found that I was carrying around the thinking of when I first started with salt water that I was trying to deal with the diseases and an easy parameter to hold constant was temp. It just stuck with me. I have been about 2 years of letting the temp move with the day and the seasons. The fish seem to be more robust and I like that it seems more natural with the tank.
 
thank you all for your feedback! getting pretty excited as my new tank finally has water in it as of last night!
 
thank you all for your feedback! getting pretty excited as my new tank finally has water in it as of last night!
Great thread, have been wondering the same myself. Was surprised all answers (so far) affirmed it is ok to swing and the variations…..

Good luck with your build.
 
Great thread, have been wondering the same myself. Was surprised all answers (so far) affirmed it is ok to swing and the variations…..

Good luck with your build.
thank you! and i feel a lot of the time if i cant find the question here someone else might have the same question in future, or even now!
 
My old tank would drop back and forth by 1* do you guys think that is ok in a reef tank?
That leads me to another question! What is the best way to install temperature sensors and to place the heaters for my inkbird and hydros controller in the sump? Right now my sump goes from filter socks to refugium to skimmer section to return section. I have my temperature sensors in my refugium upstream of the heaters. The heaters are in my skimmer chamber. What is best practice here??
 
This thread certainly opened my eyes a little as I've been worrying about keeping a constant temp also.
Glad to hear some swings are all okay and more natural! I'd been thinking this was the case more and more recently as the sea temp would swing with the warm and cool fronts coming through etc.
 
This thread certainly opened my eyes a little as I've been worrying about keeping a constant temp also.
Glad to hear some swings are all okay and more natural! I'd been thinking this was the case more and more recently as the sea temp would swing with the warm and cool fronts coming through etc.
i have my temp probe in the return chamber and heater in the chamber before my bubble trap. i think this will be fine in my case and anyone else. more or less i will be monitoring this to make sure everything is running smoothly before adding anything live to my tank.
 
+1 for the value of this thread, with my newly setup tank, I was wondering about the minimum .5 degree swing of the inkbird thermostat! My previous submersible heater on my nano seemed to keep the temp a lot more constant but I won't worry about it after reading all of these great thoughts!
 
+1 for the value of this thread, with my newly setup tank, I was wondering about the minimum .5 degree swing of the inkbird thermostat! My previous submersible heater on my nano seemed to keep the temp a lot more constant but I won't worry about it after reading all of these great thoughts!
thanks! i truly didn't think so many would be interested but figured i would ask and see! glad to hear others are benefitting from my question. :)
 
Bought a chiller years back, it had a 4 degree variation built into the controller.
When I questioned it I got a divers answer, same as above.
 
This thread certainly opened my eyes a little as I've been worrying about keeping a constant temp also.
Glad to hear some swings are all okay and more natural! I'd been thinking this was the case more and more recently as the sea temp would swing with the warm and cool fronts coming through etc.
The crazy part is that the water IME has nothing to do with the air.

Just to note I was in the PI and the temp on land never really varied more than a few degrees.
 
That leads me to another question! What is the best way to install temperature sensors and to place the heaters for my inkbird and hydros controller in the sump? Right now my sump goes from filter socks to refugium to skimmer section to return section. I have my temperature sensors in my refugium upstream of the heaters. The heaters are in my skimmer chamber. What is best practice here??
I've always kept my sensors before the heaters as well, it helps prevent the heaters from just heating the water near the sensors and kicking off before the tank gets up to your desired temp.
 

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