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

An Ultra-Low-Nutrient System for Acropora and other SPS

Spare the Net for These 5 Fish Types

Moving a marine fish from one tank to another is a straightforward process. You grab a fish net of appropriate size, scoop out the specimen, and release it in its new home. At most, you might have to work with two nets, using the second net to gently herd the fish into the first.…

An Ultra-Low-Nutrient System for Acropora and other SPS

What Constitutes a Reef Aquarium?

Question:  I’m new to saltwater aquarium keeping and struggling to wrap my head around all the different ideas and terminology. For example, what exactly constitutes a reef tank versus a fish-only tank that happens to include a few invertebrates?”…

An Ultra-Low-Nutrient System for Acropora and other SPS

First Annual Buckeye Reef Marine Expo Coming Soon!

Northwest Ohioans finally get a frag swap and marine expo in their home territory!

As a long-time hobbyist in northwest Ohio (Hey, I can at least claim that for the rest of this week, then I’m a Floridian), I’m accustomed to traveling outside the region for frag swaps and events of appreciable size.…

Diodon holocanthus: an Endearing Puffer for Spacious Aquariums

Top 10 Traits of a Successful Reefkeeper

Surprisingly, the “right stuff” that is required to succeed in this hobby can’t be bought at a storeAs marine aquarium hobbyists, we can buy a lot of things to make our experience better and easier, but when it comes to long-term reefkeeping success, the “right stuff” doesn’t come from a store.…

Diodon holocanthus: an Endearing Puffer for Spacious Aquariums

Sometimes Fish Eat the Funniest Things!

While a fish might seem to have an exclusive diet, they’ll often chow down on “off-menu” offerings, as wellCarnivorous fish eat meat, herbivorous fish eat algae/plants, and omnivorous fish eat both.…