Whats up with this.

[Budman's Corals]

Was this to close to the flowerpot or is it cause I broke a piece if the edge.. Whats causing it to turn white

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[mike007]

Rapid Tissue Necrosis (RTN) My moon coral is going through this. You can treat it with lugols in a hospital tank but most of the time it will not survive.

 

[kuansreef]

is it monti? Light may be too strong for this guy. Lower it down.

 

[Budman's Corals]

is it monti? Light may be too strong for this guy. Lower it down.

i did last week move it a little higher ,ill try anything