Overkill on filtration?

[triply]

Ok so basically i have this 90 gallon tank im setting up and maybe i should be posting this in the diy thread i started but i need a answer to this specifically.

I have the tank with a build in over flow which im going to be putting a bunch of bio balls or some sort of media in

the overflow goes into the sump and the mag 9 pump sends it flying back in.


if i added one of these diy filters

http://www.monsterfishkeepers.com/forums/showthread.php?t=295443

after the pump before the tank

would that be over kill or do you think its a good idea?

 

[Pharaoh]

Probably a bit overkill IMO, but everyone has their different opinion.

 

[triply]

Probably a bit overkill IMO, but everyone has their different opinion.

just a fyi cause i didnt explain before the sump will ONLY have water in it no media the overflow will provide all the filtration for right now.

unfortunatley when i went to repair the 30 gallon it shattered when i picked it up and now i have a couple cuts and no 30 gallon lol.

so overflow with media->sump tank (10 gallons) ->to canister filter -> tank

still overkill?

my main concern is wether or not the overflow will be enough because the overflow is only like 11.54 gallons or something measured out and converted.

ive been told on freshwater that my sump if i use one should be like 25% of tank size

 

[Pharaoh]

I would include the canister after hearing the clarification.

The 25% rule tends to focus more on the water level. 11 gallons of bio media in the overflow plus whatever is in the canister should be sufficient.

 

[triply]

I would include the canister after hearing the clarification.

The 25% rule tends to focus more on the water level. 11 gallons of bio media in the overflow plus whatever is in the canister should be sufficient.

awesome tyvm

 

[Egon]

Sump size = largest possible. If 10 gallons is all you got then that's largest possible. As long as you have enough water in the sump for the pump to pull from you will be okay. Of course you may not have the capacity in the sump to hold all the water if you loose power or turn your pump off.

As far as over kill your going to slow down your turn over rate so if anything it's under kill. I think it's a good idea for what you want to set up, given the small size of your sump, a little less flow will be better.

 

[triply]

10 gallon tank filled high enough to operate pump will still leave 2 inches or so in the tank for water

and the amount of water that would come back into the sump is minimal. There will be a check valve on the return to tank side of the plumbing and the overflow only takes in what the pump pushes out so a gallon of water tops is all that should ever be draining back into the sump if the pump failed...

worst case scenario my check valve fails and i have 90 gallons of water in my kitchen...if im lucky it will overflow under the tank and into the vent and outside lol



thanks for the help guys.

 

[Pharaoh]

Be sure to verify that the sump will not overflow. You will have increased water volume in the canister as well as the tank and the plumbing lines. 1 gallon of water seems a bit low of an estimate.

 

[triply]

Be sure to verify that the sump will not overflow. You will have increased water volume in the canister as well as the tank and the plumbing lines. 1 gallon of water seems a bit low of an estimate.

check valve on the return to tank will be within inches from the sump making water there minimal maybe a 1/4 gallon of water between check valve and sump pump.

maybe some water left in overflow but well have to see how that goes.

i mean worst case scenario i can make the pump out of a tote right?

there like 10 bucks

plus the tote will be unable to be seen when im done.

 

[Egon]

Yeah check valves fail, that's a given. Have your return at or just above the water surface then you wont have to clean up the water off your floor when you loose power.

Once you have your system running, turn it off and check the capacity of the sump, you will be surprised how much water will drain.