Mille peel off

[Mr Phu]

My Millepora is not peel off tissue loss from the base, but one branch near the tip is losing tissue on the underside. What could be the cause?
This colony is just dip coral RX 2 day ago , did not see anything

 

[Tahoe61]

Are those wild, maricultured pieces?
Have you ruled out chemistry?

 

[Dburr1014]

My Millepora is not peel off tissue loss from the base, but one branch near the tip is losing tissue on the underside. What could be the cause?

Shading, no light, turns very light color.
Do you still have polyps in that spot?

This colony is just dip coral RX 2 day ago , did not see anything