- ALK
- 8.1
- CA
- 420
- NO3
- 1
- PO4
- 0.02
- SAL
- 35
- TEMP
- 78°F
Every reef keeper on Earth, in one community.
OpenOcean connects saltwater reefers across many countries. Write in your own language, and see how differently the rest of the world keeps a reef.
- English
- 한국어
- 日本語
- Deutsch
- Español
- Français
- Português
- + more
You're on the list. Tell us where your reef is.
You're on the list.
Your invite code arrives by email the day doors open.
Share OpenOcean with your reefing friends.
Somewhere, the lights just came on.
Post a question before bed in Seoul and wake up to answers from Berlin and Mexico City. Nobody splits OpenOcean by country, so someone with a tank like yours is always awake.
Ask in your own language. Read it all in yours.
Every post is translated into the language you choose, keeping how the writer said it. Comments get a translate button.
Built by the reefers who walk in first.
- 1
Pre-register
Leave your email from anywhere in the world.
- 2
Get your invite code
Everyone on the list gets their code by email on the same day.
- 3
Introduce your tank
Your first post is your reef.
- 4
Walk into a full room
Tanks from around the world are already waiting.