A reef tank is different from other types of tanks in a lot of ways, with one of the biggest being that most reef tanks utilize a sump to hold the equipment and to add volume to the system. An…
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,…