Coral Feeding Guide: When Live Food Beats Frozen and Powders
Coral feeding is one of those hobby topics where everyone has an opinion and most of them contradict each other. Some reefers...
Read moreArticles
Field guides, step-by-step setups, and lessons from the lab, written by aquaculturists, for aquaculturists.
How to Feed Filter Feeders: Clams, Sponges and Sea Squirts
Filter feeders are the canaries of a reef tank. When they're thriving, your water quality is right and your nutrition profile is broad. When they're closing up, dropping mantles, or starving slowly, something fundamental is off. This guide...
Read articleLatest articles
22 articlesHow to Breed Clownfish at Home: A Beginner's Guide
Clownfish are the easiest marine fish to breed at home. They pair up reliably, spawn predictably, and the fry can be raised...
Read moreBest Live Foods for Pipefish, Seahorses and Other Picky Reef Eaters
Some marine fish are flat-out impossible to feed without live food. Pipefish, seahorses, mandarin dragonettes, scooter blennies, and several wrasses all share...
Read morePhytoplankton 101 for Reef-Keepers: What It Is and Why You Need It
If you've spent any time around reef-keepers, you've heard someone go on about phytoplankton. It's hyped, often confused with macroalgae or dinoflagellates,...
Read moreHow to Set Up a Refugium for Copepod Production
A refugium is the single best upgrade most reef-keepers can add to their tank. Done right, it's a copepod factory, a nutrient...
Read more
Seahorse Feeding Guide: Why Live Food Is Non-Negotiable
Seahorses are one of those fish that look easy on a shop tag and turn out to be anything but. They're slow...
Read more
Mandarin Dragonettes: Why They Need Live Food (And How to Keep Them Alive)
The green mandarin dragonette (Synchiropus splendidus) is one of the most beautiful fish you can put in a reef tank. It's also...
Read more
How to Culture Tetraselmis: A Green Powerhouse for Your Reef
Tetraselmis is a vibrant green flagellated microalga loaded with essential fatty acids, amino acids, and phytonutrients. It's highly nutritious for copepods, rotifers,...
Read more
What Is Zooplankton?
Zooplankton are tiny drifting animals found in every marine environment, and they're absolutely vital to a healthy reef. Unlike phytoplankton, which produce...
Read more
How to Get Rid of Dinoflagellates in Reef Tanks
Dinoflagellates ("dinos") are one of the trickiest nuisance organisms in saltwater aquariums. They typically show up as brown, slimy coatings on sand...
Read more
How to Culture Rotifers
Rotifers are an essential live food for marine fry, coral larvae, and filter feeders. They're rich in protein, small enough for tiny...
Read more