Welcome to Week 27 of 52 Weeks of Reefing! This week we are exploring how we can use algae to our advantage in the reef tank to help combat nitrates and phosphates...with refugiums! Refugiums are essentially a location in your tank (usually the sump) that allows you to provide a safe haven more micro fauna, as well as grow beneficial macro algae like chaetomorpha or caulerpa.
There are a fair share of different types of refugiums out there today, with an equal amount of opinions on how to run them.
The traditional refugiums with algae and/or live rock rubble are the most popular and effective in my experience, and some of the easiest to install and maintain.
An older technology that is starting to gain more ground again is the algae turf scrubber. This is essentially a very efficient refugium; algae is grown between two light sources on a medium with water flowing past it and then periodically harvested.
There are also a few more creative and unique options out there like cryptic refugiums. They offer a few unique benefits. A cryptic refugium is essentially a chamber that doesn't receive light, and allows for intense growth of sponges which filter the water.
Do you have a favorite refugium method you prefer to run on your reef? Let us know in the comments area down below!
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