My custom sump is 30×20×14 and is about 38gal fits like a glove.lol I got everything up and running over the weekend salinity set at 1.024 gonna let it mix for a week while I am out of town for work and I will get it up to 1.026 when I get back home. I forgot to take pics of everything up and running , just ran out of time before I had to leave. When I get home I will get some pics up.