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Field guides, step-by-step setups, and lessons from the lab, written by aquaculturists, for aquaculturists.

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May 29, 2026 3 min read biodiversity

How 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 sink, and a biodiversity engine all at once. Done wrong, it's just an extra bucket of...

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How to Set Up a Refugium for Copepod Production

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