Quote:
Originally Posted by reefme
Why?
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Because....they are easy. They take little to no maintenance, very little space and you can't overdose. Did I mention they work.
Yes a refugium is not a bad idea but you need a large one which grows lots of algae to do the work that bio-pellets would do. Maybe a refug half the size of your display. But its hard to say because it depends on how well it is set up and how much algae it will grow (which can be inconsistent). A refug will take more electricity as well in lighting and pumps.