I finally got so frustrated that I took the rock out and boiled it on the stove for about 1 hour. When I took it out, all of the caulerpa was still hanging on to the rock and I was scared that it would just recover from the ordeal when I put it back in the tank. I ended up leaving it in a bucket of diluted bleach overnight and then rinsing it numerous times. The rock is now as white and dead as a bone... but at least its caulerpa free!
- Chad
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Returning to the hobby after an eight year absence.
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