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2 drain Beananimal overflow?


Sailfish

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I have had an issue with the tank only having three drilled bulk heads in the bottom corner of the tank. I would like to have four, so that I can use three drains for a beananimal overflow and the fourth as the return. After deciding on plugging up the current holes and drill four new ones along the back, I'm now changing my mind again.

Is it ok for me to make a beananimal overflow with only two pipes?

I'm thinking that I can cut out the emergency pipe, as long as my sump return chamber is smaller then what the tank can handle in the case my second drain pipe gets completely clogged. That means that no matter what happens, the return pump will never be able to overflow the DT. In addition, I was thinking of using the one 16mm hole for the siphon line and one of the two 20mm holes as the second drain. This way if the siphon hole gets clogged, a fully open (no gate valve) 20mm will have no problem handling the extra.

 

Then I can use the third hole as a return. :)

What do you guys and gals think? :)

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Well....if the tank is able to handle all the available sump water without overflowing then I don't see why you cant eliminate the emergency drain.

 

You could also drill another hole elsewhere thats inconspicuous for the emergency drain.

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Do a "Herbie" overflow. 1 main drain, 1 emergency drain that has a TRICKLE of water running down and the return. Can't hear my overflow at all. I have to remove the overflow cover to ensure my levels are correct. No splashing in the sump either. My loudest part of my tank is 2 Radion fans and they are nearly silent.

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  • 3 weeks later...

+1 to above

 

What you are describing is a Herbie Overflow.

 

Herbie = 2 Pipes

BeanAnimal = 3 Pipes

 

It kinda depends on your return pump but I ran a mag 7/ dc5000 with my gate valve basically close more than half-way (2x1"). So, if you did have a clog in the main pipe, the other non-valved pipe should not have any issues with taking care of that water.

 

If the main drain valve was barely closed then you might have a issue with the non-valved pipe taking the whole load. Probably not tho.

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Of course, people. My bad :P
I have probably been so bent on the Beananimal design from previous times when I have read about it vs. the Herbie, since it is EVEN SAFER, that I forgot the association. I always like the "even safer" option :P

Then I will go with the Herbie overflow on this tank :)

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  • 2 months later...

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