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					Originally Posted by  lastlight
					 
				 
				 I used GE1 clear when I resealed my sump. Tank is doing great but I do have strange NEON YELLOW growth on the silicone only lol...? 
			
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 I had the same thing happen to me about a year. Ago and I replaced the silicone because it scared me looks like neon yellow/green spot algea