Herbie overflow dual overflow - Canreef Aquatics Bulletin Board

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Herbie overflow dual overflow

10-22-2012, 08:32 PM

Locke

Junior Member

Join Date: Jun 2003

Location: Chilliwack, BC

Posts: 10

Herbie overflow dual overflow

I'm converting my regular durso dual overflow to the herbie method and have a couple of questions.

1. Should I run 2 emergency drains and 2 siphons and then run the return lines over the top of the tank?

2. Should I use the 1" bulkheads as the siphons and the 3/4" bulkheads as the emergency drain or the other way around?

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