Quote:
Originally Posted by whatcaneyedo
I'm comfortable with my controller handling all of the conveniences. ATO, lights on and off, cooling fan, C02 solenoid or dosing pumps etc. But if possible I like the idea of having at least one circulation pump or powerhead plugged directly into the wall. That way if the controller goes down I don't lose critical flow. Without flow, oxygen can quickly deplete causing the inhabitants to suffocate. I feel confident that my tank will be fine without its ATO, lights, supplements etc for a day or two while I convert everything back to hardware store timers and top off the evaporation myself. But I don't think it could last for more than a few hours without flow.
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I would totally agree with this approach. I've had my GHL Profilux controller for the past 5 years and luckily have never had it fail (knock on wood). However, if it did fail I would be in the same boat as you, completely dead in the water ( pun intended ). For this reason it is always a good idea to have backups (or backup plan) (equipment and sources of power) for the essentials as whatcaneyedo suggested.