sump

[cichlidbuddy]

can someone explain to me the purpose of a sump on a tank?is it just a big filter? hows it work? they sell a sump system for 75g tanks at my LFS.is it worth using one of these?

 

[terd ferguson]

Here you go...
http://www.monsterfishkeepers.com/forums/showthread.php?t=94937

Scroll down to Wet/Dry (sump) System.

 

[niblit]

imo the best way to go for filtration is a wet/dry or "sump"