after doing some more reading because my sump is so long i thought i would add a qt tank in one end of the sump, with a small hob to filter it,what is a good size qt tank 10 20 gal tank or no,so here how the sump is gonna be layed out left to right ,first chamber socks ,skimmer/return pumps,heater/fuge/then 10 or 20 gal qt tank,please let me know if this sounds like a good idea.i got all the glass sections and glue if it sounds like a good idea then im gonna start building it this weekend thanks 18fisher