UV light Sterilization Icon

Should I Use a UV Sterilizer?

The two most hated things for a saltwater aquarium keeper are fish diseases and “bad” algae. Some hobbyists make an attempt to go all out against these threats by using an ultraviolet sterilizer. At least in some cases, a properly sized and properly installed sterilizer unit can indeed help to reduce the incidence of disease …

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Urchins are a wild animal to keep!

Sea Urchins in the Reef Aquarium

My first sight of a real, live sea urchin was in an aquarium (a friend’s) rather than in the sea. This was in my youth (i.e. quite a long time ago) in the upper Midwest–a time and place when/where marine aquarium livestock was quite difficult to get your hands on. Back then, and especially there, …

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a Cade Refugium / Sump

A Sump AND a Refugium?

Our aquarium systems grow over time. It’s almost inevitable. It’s well-nigh organic. And we surely all hope that as they grow, they get better. One proven way to dramatically improve the functionality of an existing system is with the addition of a sump or refugium. The conventional overflow-with-sump/refugium plumbing design (we can call it a …

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