Best looking Coral for a small cave with low flow!

Not so sure about an acan.mine love moderate flow and I had it in the shade and it barely opened.I moved it into the light and it opened right back up.+1 on mushrooms those things grow anywhere
 
I haven't seen flow affect acans at all--low or moderate. Light, they definitely do not like bright light--at least mine don't. If my Goby finds a way to move the sand so an acan falls into direct light, the acan retracts.
 
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