ReefsandGeeks
New member
I will soon be going on my honeymoon for 2 weeks, and am using this as an opportunity to convince the new wife that I need an ATO. I have a 65 gallon tank, with no sump. I am looking at getting the Tunze Osmometer Nano, but was curious about the pump running dry if left too long without refilling the RODI topoff container. Does anyone know if there is a fail safe on the pump so if the topoff reservoir gets too low, the pump doesn't run dry?