WarDog's Tank Thread : Episodic Trial And Error

[mike31154]

Originally Posted by WarDog

Put the sump in the stand for the first time today.

Thinking I might do a custom ATO reservoir behind the sump. I wonder if 9 gallons will be enough for a weeks worth of top ups on a total system volume of 80 gallons? Any thoughts on this?

Thanks for looking.

My sumpless 77 gallon evaporates about a gallon a day. I use a glass wine carboy that holds about 7 gals. as an ATO reservoir & it lasts close to 7 days (lucky 7!). That's under LED lighting. Depending on how much heat your lighting adds & additional water movement with sump, YMMV, but I'd guess 9 gallons will easily last a week.