When I put the Hydros in water change mode a 15 minute countdown starts. What happens if it hits zero? I have a small nano and it doesn’t take long to change the water so I’m curious. Thanks!
Well, that depends what you have set it to do. I have mine turn off the return pump, heater, Nero 3 and ATO. All restart at the end of the countdown. So, it depends on you.
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