How to Build a Sump Refugium

In this ebook I explain how to build a sump refugium sufficient for reef tanks up to 100 gallons. If your aquarium is larger you can build a bigger or smaller one using the same concept explained in the ebook. This sump refugium uses a standard 20 gallon long tank, It cost about $50.00 to build, and other accessories you will need vary. The refugium section is situated in the perfect spot in this DIY sump. Its ideally located so that water constantly and gently passes through, letting the macro algae flourish.