Acceptable daily temp swing

[five.five-six]

Is a 2 degree daily temperature swing acceptable for SPS?

 

[lynchmob3000]

Yes


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[Bpb]

Yep. I tend to hover between 79.5-81


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[slavetonet]

Up to 5 degrees swing is acceptable from my observation.
My tank swing from 27 to 23 daily at the moment.

 

[Ssteve]

This summer I would go from 76 to 84 daily with no issues.

 

[SchnitzelReef]

I can't imagine a 2 degree swing would kill SPS, but will they thrive under those conditions???

My tank never swings more than 1 degree in 24 hours.

 

[five.five-six]

I changed some settings on my fans and heater and now I’m Between 78.3 and 79.3

 

[Ssteve]

I wouldn't stress it at all. Places that get corals to spawn, intentionally swing the temps to mimic nature. Many natural reefs swing temps fairly drastically.

 

[Leopardshark]

5-6 degrees is still acceptable.
2 degrees, c´mon! lol

 

[murphreef]

^ well I know when it goes from 78F to 80F in my house I sweat a lot lol!

So 2 degrees can make you uncomfy.... Oh yea we talking about corals though

 

[Vinny Kreyling]

I had a chiller that had a 4 degree differential so I would not worry, especially if it's over the course of a day.

 

[10Seconds]

My tank has about a 3 degree swing when running the MH lights and about 1 degree range when not