I need help I am making an over flow box out of a beta bow front tank its got the built in divder ( which I will cut down to allow for water flow) bt I need to know what size hole should I drill for the hose leading to the sump I have a 10 gallon tank and the sump is a 5.5 I will probably be using a power head for a return pump probably one of the aqauclears or rios and I will need to pump the water back up about 3 1/2 feet to the display so anyone that can give me the sizes of the hole and the return pump It would be most appreciatitive. thanks
Aaron
Aaron