The Many Possible Purposes of the Saltwater Refugium

“Refugium” is a hobby term that resists easy definition. This is probably so because, unlike most aquarium accoutrements—heaters, powerheads, protein skimmers, lights, etc.—there’s no single, readily identifiable purpose for a refugium. Ask 10 different hobbyists what a refugium is for, and you’re apt to get 10 different answers. Essentially, a refugium is some sort of … [Read More]