hi can anybody help me,my pussy coral has been doing well for about two months last week one of the tips became white,i was told to cut it off below so thats what i done,but a week later some of the other tips have gone white,so i have put it in its own tank and treated it with coral tissue restor.but does anyone know why its done this.thanks ade

Have you checked your nitrates?

hi there yes i have checked my nitrates,ok all the other things in the tank are fine{just this}