how can i build a sum pump , any links to how to...

[fish_bay]

i wanna build a sum pump to go underneat the tank any advise how to do it ?

 

[Mark The Kidd]

Look on google

 

[jeffaquarius]

Here is one which will guide you to make any size you want.

Build a sump. "How To" - Michigan Reefers

 

[fish_bay]

i have to filters that hangs on the backwall that have sponges and little blue "wheels" inside , do i need a sump pump or the filters will do the job

 

[jeffaquarius]

How big is your tank?