Sump

[juliancarrion]

I have a 20 g tank and i would really like to get rid of my filter, heater, and protein skimmer.
I have an extra 2.5 g tank that i would like to use as a sump. Would this be a good idea?
If so can someone show me some simple and cheap plans?

If not what about a 10g sump?

 

[Anguilla82]

theres no max size limit of the sump only a minimum.

depends how you set it up, but the sump will need to accomodate any back suction from the main tank if there was a power cut etc....

no reason why you couldn't have the 10g as a sump. in fact out of a 2g or a 10g, i'd pick the 10 as its more volume for your system and you can do more with it.

 

[bollands]

if you want really cheap you dont need partitions just in one end out the other then place everything else in the middle