First blasto's I've added to my tank. Need to know if they have to be on a rock to grow or can they be in the sand. I just don't know if they need a hard surface to attach to or not.
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I know this thread is five years old but nobody really answered the guy’s question and I have the same question...can I LEAVE my blasto, which is mounted on a frag, in the sand forever? Will the colony just grow outwards attached to itself and not need a surface to attach to on the bottom? Which means you can technically move it if you need to?
Thanks for any advice you can share!