Herbie overflow PVC length

[jblasto]

Anyone have any advice on exactly how much shorter the regular overflow should be when compared to the emergency overflow in a herbie setup? I'm trying to assemble one and understand I need two outs but I'm unsure if the differing lengths is important? Any advice on this? Thanks


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[TheOldSalt]

4 days, no answers.

Maybe the question is too hard to understand?
I know I sure don't get it.

[lohachata]

same here...never heard of a herbie overflow....herbie the lovebug , yes.....overflow , no....lol

[fish_doc]

After a search on the web I found this link.
http://www.reefcentral.com/forums/sh...hreadid=344892
It seems it is named after the person that started the overflow thread on RC

[jblasto]

Thanks for trying anyhow... I built mine and it appears you don't need to have a specific length in distance. It can vary and you fine tune it with the ball valves down below. I guess the only requirement is the 2nd overflow (emergency overflow) is higher


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