Saltwater Smarts
  • Saltwater Smarts is a unique online resource created by long-time aquarists Chris Aldrich and Jeff Kurtz to inspire and entertain a new generation of marine aquarium hobbyists while helping them acquire the reliable, authoritative knowledge base they need to succeed with a saltwater system. By clarifying key concepts, techniques, and terminology, as well as sharing expert insights from fellow enthusiasts and industry professionals, Chris and Jeff hope to promote a more accessible, sustainable, and enjoyable marine aquarium hobby. Read more about our mission and the contributors who are part of our team.

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Recent Content

Are You in Tankmate Aggression Denial?

Rock Beauty Angelfish: a Finicky Feeder Best Left in the Sea

On one of my earliest dives down in the Florida Keys back in the 1990s, a gorgeous yellow and black angelfish caught my attention as I drifted over a section of reef. In my mind’s eye, I envision the angel hovering boldly above a large barrel sponge, but I can’t be sure whether that’s actually how it happened or just an idyllic memory.…

Are You in Tankmate Aggression Denial?

Salty Q&A: Bay Window Reef Lighting?

Question: “I’m setting up my first reef aquarium and want to keep my approach as natural as possible. The room where I plan to place the tank has a really big bay window in it, and succulents and other sun-loving houseplants really thrive there.…

Are You in Tankmate Aggression Denial?

For Reefkeepers, It’s Always Something!

Caribbean Chris, who is currently in the process of moving his family down to Florida (apparently Ohio in mid-winter isn’t sufficiently tropical for his taste!), recently tore down his 127-gallon Caribbean reef biotope aquarium and bequeathed to me a variety of invertebrates, including several species of gorgonian, rock flower anemones, Ricordea, lettuce corals, and others, along with a lovely Atlantic blue tang.…

Are You in Tankmate Aggression Denial?

5 Cleaner Wrasse Myths

The introduction of Labroides spp. cleaner wrasses to marine aquarium systems is generally ill-advised. Though some hobbyists report success in keeping these obligate cleaners long term, the vast majority of specimens entering the market are doomed to perish prematurely from starvation.…

Salty Q&A: Are Fish in Nanos More Likely to Leap?

Salty Q&A: Are Fish in Nanos More Likely to Leap?

This question, recently posted on our website by Eric B, got me thinking about some of the assumptions we tend to make about nano aquariums. So, in addition to my original answer to Eric’s inquiry, I’ve included a few more random thoughts on the subject afterward.…

Salty Q&A: Are Fish in Nanos More Likely to Leap?

Ricordea Florida: an Underappreciated Caribbean Beauty

As an American reefkeeper, it’s all too easy for me to forget that some truly gorgeous invertebrate livestock originates relatively close to home in the tropical western Atlantic and Caribbean. I was reminded of this recently when CC entrusted several of his Caribbean specimens to my care in advance of his pending move to the great state of Florida.…