if there are still polyps and tissue it was not RTN it is just bleached and they can recover if there is enough appropriate food available until the zooxanthellae can re-populate
if there are still polyps and tissue it was not RTN it is just bleached and they can recover if there is enough appropriate food available until the zooxanthellae can re-populate
My Reef is Alive and well Despite My repeated Daily attemps to kill it!!