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Dentoid · 05-04-2008, 04:38 PM

Welcome! Here is a great link on "How a Sump Works". It shows the tank, overflow, sump and return. You are right, the draining water is by gravity, the return is by a pump. All the best!

Melevsreef.com | Acrylic Sumps & Refugiums

05-04-2008, 04:38 PM	#11 (permalink)
Dentoid Over Achiever Join Date: Dec 2006 Location: Virginia Posts: 10,240 View Gallery Karma Komment	Re: Brand new tank...now what? Welcome! Here is a great link on "How a Sump Works". It shows the tank, overflow, sump and return. You are right, the draining water is by gravity, the return is by a pump. All the best! Melevsreef.com \| Acrylic Sumps & Refugiums __________________ Scott Dentoid's Reeforama