Saltwater Smarts
  • 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.

Recent Content

An Introduction to Protein Skimming

An Introduction to Protein Skimming

protein skimmer A protein skimmer is a device designed to clean the water in a reef aquarium by removing dissolved organic compounds. Put even more simply, it is a controlled overflow of dirty water. Imagine a chamber that vigorously mixes air and water to create a dense foam.…

Paul B’s Unique Perspective on Keeping Mandarins

Paul B’s Unique Perspective on Keeping Mandarins

Hobby pioneer Paul “Paul B” Baldassano is not your grandfather’s reefkeeper (though he is old enough to be your grandfather!). Nor is his book, The Avant-Garde Marine Aquarist: A 60-Year History of Fishkeeping, anything like your grandfather’s hobby literature.…

Oddball Reef System Symbiosis

Oddball Reef System Symbiosis

Symbiotic relationships are among the most interesting aspects of this hobby. A coral reef is a battlefield for real estate; however, there are still amazing examples of cooperation between completely different animals.…

Sponges, Sponges, Everywhere!

Sponges, Sponges, Everywhere!

If you do any diving anywhere, you will see sponges everywhere. Some of them are more colorful than corals, and some of them you can sit in. All sponges are water pumps and filters, which makes them useful in the sea and in our reefs.…