So I have a collection of coral skeletons that I would like to display and I am wondering how you guys bleach them. What are your methods and do you have any pics to share.
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I'd just leave them in the sun over the summer. Set them on a picnic table all summer and they will be perfectly bleached by fall.
You can also do it manually by first soaking in some vinegar and water to get the dead material off, and then soak a bit in a diluted bleach and water solution.
You have to get the organics off of, or else it it will always be dingy. Soaking and a brush if necessary. H2O2, bleach or your other usual suspect of halogens will get it white again. I think that I remember somebody making a paste of sodium carbonate and h2o2.
