Just wondering... on setting up new heaters

[Reef Pilot]

The most common failure for heaters is in the on position. And with 2 heaters you have just doubled your chances.

I have one tank with a heater, and use my Apex to catch it staying on. The other tank doesn't need a heater, and my chiller keeps the temp under control.

Both tanks have a max of 1 degree F variance, which I think is pretty good.

[Smudge]

I have 2 heaters hooked up through my Reefkeeper lite unit. The controller is set to turn on one of the heaters at 78.5 and will turn on the other if it drops to 78. The upper point on the controller is set to 81 in case of a stuck on heater. Keeps my temp solid at 79.

[marie]

Originally Posted by daniella3d

your temperature fluctuate too much. Thats 3 degree and I am guessing between day and night. too much.

My temperature stay at 76 day and night. no fluctuation but I use a controller. 82 is quite high.

No, 86 is quite high (but not fatal)...... For my tanks (20yrs experience) anything between 78 and 82 is perfect

[marie]

Originally Posted by daniella3d

your temperature fluctuate too much. Thats 3 degree and I am guessing between day and night. too much.

My temperature stay at 76 day and night. no fluctuation but I use a controller. 82 is quite high.

Have you ever been to the tropics? The water near the beach can get up to 90 and when the tide shifts or a surge of colder water comes up from the depths, the temp can fluctuate 10 degrees.......instantly