need help losing my colt

[laling]

i have a tree colt , and i had a frogspawn next to it for a about a month , they began to touch , i noticed the colt pulling away and one of its branches getting darker , now today it look likes it melting ,,what should i do or is there anything i can do..i had him for 7 months ..dont want to lose it ...first 3 pics of colt today the last pic was 3 days ago ..any suggestions .thank u

 

[Killerdrgn]

Move the colt coral away from the frogspawn. The frogspawn is stinging the colt coral to death.