[Coral-List] Underwater (in situ) Coral Tagging Systems, What do YOU use?

[Jeremy Raynor]

Hello Coral Listers,

Just shooting out a quick question here regarding tags for Acropora corals.
I am currently setting up a coral nursery in northern Haiti with both "Tree
Frame" type and "Fixed to Bottom A Frame" type nursery structures. I have
been having trouble attaining materials that can be used to tag the
fragments.

Can someone share with me what they have used or know to be a successful
tagging material.

Thoughts I had:

1. Clear epoxy over sharpie or permanent pen on plastic
2. Using a small keychain type tag and sealing it with water proof paper
inside
3. Small ceramic tile

Please let me know and if you can name specific brands or provide a link
that would be even more helpful! Thank you all so much.

Best Regards,
Jeremy