dual over flow herbie?

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salmonator created the topic: dual over flow herbie?

So my new tank I've got is a aqeoun 180 with dual overflows . There are four 1&3/4 inch holes . Two in each overflow. That would be four 1 inch bulkheads I assume . Now could I run two returns and two emergency . One of each in each overflow? Both syphons having their own gate valve for tuning?
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OFL replied the topic: dual over flow herbie?

No, you don't need that many. I would probably utilise both overflow boxes to take water out of the aquarium into the sump. What pump are you going to use to return water back to your aquarium? Personally, I don't think it's necessary to use both return pipes because you may find that it's very noisy. If you use a decent pump then all you need is one return pipe taking water back into the aquarium.

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tehmole replied the topic: Re:dual over flow herbie?

If you use the herbie method you'll use both bulk heads. One for drain and the other emergency drain. I would run the return line back to the tank in the middle with a spray bar - it'll be easy to make out of pvc - mostly 3/4 will be sufficient. That's the method I'll be putting on my 125.
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tehmole replied the topic: Re:dual over flow herbie?

If you put up a pic we can kinda know how your setup will look like. Did you mention how bigs the sump?
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salmonator replied the topic: Re:dual over flow herbie?

__________________
U. U.
I'll try and figure out how to post pics. But the straight line in the back of my tank and the U's are my two over flows. In each overflow are two holes. Both are cut to 1 3/4. I want to put one syphon and one emergency In each overflow. And have my returns come up the back. Will that work or will I have a hard time evening out the flows in each overflow. And the sump will be a 75 gallon
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tehmole replied the topic: Re:dual over flow herbie?

Yup that should work. If the tanks leveled the water entering the overflow will be fine.....keep in mind you will be tuning the flow of the standpipe to the sump. But what you mentioned is what I'll be doing.
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salmonator replied the topic: Re:dual over flow herbie?

By the way how do you guys perfectly level your tanks? With shims? From the inside?
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Suprd71 replied the topic: Re:dual over flow herbie?

Not a sump guy, but I am sure the other fellas have you covered. Put a 5/8in piece of dense Styrofoam under the tank to level it. Doesn't have to be perfect to the millimeter. Real close is good enough.


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salmonator replied the topic: Re:dual over flow herbie?

Would the Styrofoam help even if this isn't a acrylic tank? It has a rim and it's glass
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