I have my heaters set to come on at 76 and the cooling fans come on at 78. The tank does not get much cooler or hotter that those temps. I don't have a different setting from winter to summer.
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Mine runs 76-78 I. Winter and 77-80 in summer. I’m sure the MH be lights had a lot yo do with it. The chiller keeps temp in checkMost of us live in places where the temperatures are considerably colder in the winter time. No matter what season it is though, the goal is to keep your water temp consistent year round. That being said it can be a bit more difficult to maintain warmer water in your reef aquarium depending on certain variables. I noticed yesterday that my tank temperature shot up beyond acceptable levels just because I raised the temp on the thermostat by 2 degrees! Let's talk about it!
Do you allow your reef tank to run COLDER during the winter months? How many degrees if any?
image via @sfgabe
This is about where I'm at with it all too.Right now my temp is 74-75 degree since its in a basement (and i am not living there and 900 watts of heat is the most I can deal with at this time) I've even had bad situation where temp dropped to 69 degrees last winter. Anything lower than 71 degrees starts to become an issue for fish breathing and anything 72 I noticed my fish where normal. I didnt notice much issues with corals when temp dropped and believe they would prefer it 4-5 degree than our hobby normal ranges.
Take the ocean for example, 73Degree to 84Degree is considered ideal temp. I'll stick to 76 degrees year round moving forward with it 75-77degree for swings