sump size

[hoycetee]

i was wondering if any one here knows how to figure out how many gallons of water your sump holds, i just made a custom sump model out of wood before i do it out of acrylic. and was wondering how much water its holding
its gonna go under my in wall 125g.
hope someone knows the equation to figure it out. thanks

 

[lion_crazz]

I would not say there was an exact sump size that you should use. I would get the biggest one that you can afford. That way, it can hold a lot more water, plus, it gives you a lot more space to put things in like a skimmer, pumps, etc.