Polyps

My vote would be for the basic yellop polyps. They are one of very few that I was able to successfully keep 25 years ago with primative equipment and lights.
 
i don't think you can hurt the yellow polyps like the said... I think it is best to get some on a plug or rubble and make sure they dont touch other rock. I put the plug with polyps in the middle of the sand bed.... the polyps can spread really fast over rock.. the sand acts as a barrier.
 
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