You could probably build a DIY wet/dry sump for ~$100. Look up the tutorials for building a rubbermaid wet/dry in the DIY section.
Miguel4u2;3396386; said:Well you have a budget, try eBay. Here is a great filter http://cgi.ebay.com/JEBO-829-839-Ex...in_0?hash=item518891ebc1&_trksid=p3286.c0.m14
This will filter your 90 gallon just fine.
cypher1024;3396545; said:Guys, he's in Australia. AU$100 = US$85, so the choices are even more limited.
Miguel4u2 - I calculated the shipping on that Jebo filter just for a laugh. The 'buy it now' price is US$75, but shipping to Australia would be US$175
My suggestion is to have a look for second-hand canisters on gumtree.com.au, ebay and the trading post. You should be able to pick on up for less than $100 and that will tide you over until you've got a little more money to play with.
Cheetah;3400629; said:I had the exact same setup as the previous poster, on my 90 keeping a dozen discus.