how old is the aquarium?  if it is old, it could be the "old tank syndrom" as you added a power head and it might have steared underneat the sand and released some toxic gas?
 
	Quote:
	
	
		
			
				
					Originally Posted by  reefcat
					 
				 
				I agree, I think I'll set up the skimmer and once the film isnt present ill start the powerheads up, thanks for all the advice, I'll update as the whole situation unfolds   
			
		 |