r/Reef

2.6K archived posts · Jan 2010 – Sep 2026

A Subreddit for the Saltwater Aquarium and Reef Hobbyist

r/Reef

A sub focused on coral reefs and restoration, coral aquaculture, and saltwater aquariums.

Created Jan 28, 2010

7KMembers (last snapshot)

2.6KArchived posts

A reddit for saltwater aquarium addicts.

Rules:

Don't be rude or adversarial - It's possible to give a newbie advice without criticizing them. Someone posting a picture of their tank is not open season to make them feel unwelcome just because their choices don't align with yours.
If someone posts a picture of a tang in a 10g just report it. It's not good content and it should be deleted and the OP messaged by mods. There's no need to get angry with the OP. They should have known but probably don't.

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