Will it be ok to use a sump for 2 tanks?

  • We are currently upgrading MFK. thanks! -neo
Hi MFK

Will it be ok to have 1 big sump for 2 tanks? ill be keeping gars and rays in my first tank and pbass with bichirs in the other tank.

Thnaks MFK

Yeah.One suimp can be used to filter two tanks.........With potential giants noted above, what is the siZe of the tanks and sumps?????????????????
 
yes it would have to be a huge sump to effectively filter two tanks big enough for those monsters...

only problem i could see is if one tank get a disease like ick it could easily be spread to your other tank through the sump... and if the sump goes down, pump failure, etc. then both tanks will be without filtration... reduncey is key for surviving mechanicl failure of pumps and what not.

in a couple years im planning a 800-1000g tank and the sump will have multiple smaller return pumps, all of which will be over rated, instead of 1 big one. so if one goes down the others can pick up the slack until i can get the bad pump fixed.
 
that would work just fine.
 
Yes, one sump will accommodate two separate tanks as long as you use one pump. I tried two identical pumps, one for each tank and could not make them balance one another. I just went with a single large pump plumbed to supply both tanks. -FM
 
I'm more then sure it will work with a big enough sump and strong enough pump but I would personally build 2 sumps versus one but that's just me...
 
Yes, one sump will accommodate two separate tanks as long as you use one pump. I tried two identical pumps, one for each tank and could not make them balance one another. I just went with a single large pump plumbed to supply both tanks. -FM

I don't understand why two pumps would not work and why they would have to be anywhere near balanced. If the overflow has a higher capacity than the pump for that tank it should be fine. If one tank has a 100gph pump and the other has a 900gph pump what would be the harm? Please explain? Am I missing something?
 
two pumps will work
 
Can a tank be side by side next to a sump, seems like the overflow would still work if water is being pushed into it, would it ? I guess it wouldn't be as much gravity driven.
 
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