Quote:
	
	
		
			
				
					Originally Posted by  PoonTang
					 
				 
				Ok so how hot is too hot? and doesnt it take a little while for the bleaching to occur? so that by the time the coral looks sick its too late? 
			
		 | 
	
	
 I dunno, routinely my tank sits at about 78-79. The tank has gone up to 85 a couple of times this summer when the chiller fuse has blown and I haven't had any losses. Too hot = when it feels like bathwater. Usually I put my hand in and go ahhhh, nice. When its too hot I go argggh! stupid chiller! you suck!!!! and my husband rolls his eyes 
 
The bleaching doesn't necessarily occur as the temp rises, sometimes it occurs on the way back to cool. Depends on how fast/slow you "fix" the temperature issue.