To Sump Or Not To Sump

[Palster]

Now that I have sold almost all of the Cichlids in my 135 gallon tank I am getting close to actually converting it over to salt water. The intent is to make this a predatory tank with a Trigger, Puffer, Lion and possibly a Tang etc. (basically messy eaters). The tank currently has two Aqua Clear 500 filters on it. I was wondering if it would be wise to drill the tank and install an over flow and sump when I tear it down or if the external power filters would be adequate as this will not be a reef tank. Does anyone have any thoughts? I already have a 50 gallon tank kicking around that is not in use that would make an ideal sump. The other option is to go with an overflow box instead of drilling.

[j83]

I would go with the sump. While it may be a little more work short term, it would definitely be worth it in the long term. 2 aqua clear 500 filters won't do much in terms of mechanical filtration with the fish you want to keep in there, and nitrates would most likely build up (as they would with canister filters). Drill the tank, hook it up with your 50 gallon and get a big pump to get the water moving. You and your fish will be much happier.

[muck]

Drill it now while you can. You will be kicking yourself later if you don't. All the unsightly equipment can be keep in the sump instead of your main display. You can also run a big skimmer in the sump to help keep the water clean. With all those messy eaters you plan on keeping it would be a big plus.

[Ruth]

What they said. I have tried with a 135 to run it with 2 canister filters and it was an excercise in frustration. Even cleaning the foams and media in the filters every 3rd day my nitrates were still through the roof. Good flow, good skimmer and a sump is my vote.

[Johnny Reefer]

Ya....definitely get it drilled now when you have the chance.
When I got my drilled 180, my 135 Reef tank became an FOWLR. I shoulda got the 135 drilled then 'cause the HOB skimmer I have on there is a POS. Eventually it's gonna need a sump with a bigger skimmer in there. Have 4 Triggers in there and so far it's been okay. Been up and running for 4 months. the Triggers are still juvies and Nitrates are holding at 10 ppm, but that ain't gonna last I reckon.
I've made this mistake (not drilling when chance was there) twice, now.
Oh well, the wallet was only so thick at the time and still have yet to get a decent skimmer on the 180. All in due time, I suppose.
But I digress.
Ya. Get it drilled.

Cheers,

[Palster]

Thanks to everyone for responding. Being relatively new to saltwater fish keeping I never considered the nitrates issue with running these filters on a tank with messy eating fish. I will definately go with a sump. I currently am running a sump on my 90 gallon tank (I am going to basically copy the design). The only questions I have in regards to the sump are is it beneficial to run Bio Balls and or sponge filter media in the sump? The sump that I currently have does have both.