Originally Posted by reefkprZ
Occasionally some more disreputable sellers will dip dye corals. they antagonize the coral to close up(expeeling most of the water in it) place it into the dye and as the coral reinflated the dye is sucked in and it can take quite a while for the dye to fade and the coral sometimes dies from this.
I thought they were injected, but that sounds like a good way to do it... if it were a good idea to dye a coral...