Neptune Aquatics

LF a Heater Controller

I highly recommend the Innovative Marine Helios heater. Below is the graph over 1 day. This is using the controller to turn the heater on and off. Not the Apex. It is also a PTC heater, not your regular filament heater and has a lot of safeguards.

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Below is the graph over 1 day
What temperatures do you have set on the Helio controller, if you don't mind? I am wondering if you are asking it to heat to 76 and it is doing so and representing on your graph above. I have had some heat controllers do a good job of keeping a tight temp range but multiple degrees off of what I asked it to heat to. Kinda annoying but I just make a mental note and adjust.

I am really considering the Helio 350
 
It is set to 77 on the heater controller. But I did not calibrate either sensor (Apex or heater controller) to each other or to a calibrated thermometer. This is just to demonstrate how tight the control is without having to use an Apex to regulate it.
 
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