The pond I am building with be a 7-8' long, by 3' wide, by 2' tall, about 400 gallons at 8 foot, havn't done the math at 7 foot. This wn't be perminant though, just until they hit about 30"
Deep blue how long have u had ur rtc. And disk. I will do a run down on the filtration for u in a bit on the thread where I already posted pics sense I don't have a camera at the moment