Well first off I'm Mike a little about me.... right now I have a 75 gal fresh water tank.... I also have 2 dogs and keep snakes I currently have 8 Boas I have 17 up until about 3 months ago when I downsized by a lot... I love fish tanks and cant wait to set my new tank up..... so heres my kicker I have some questions lol.... currently on my 75 gal tank I rung full under gravel and 1 over hang.... I just acquired a 130 gallon tank and have no clue what to run for filters, I have been looking though the DIY section and also looking at buying a canister or running 2 90 gallon over hang filters.... What do you guys and gals run on your larger tanks?