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					Originally Posted by  TimT
					 
				 
				Unless the clay used to make the tile is Barium Free I would not put it into an aquarium. The guys that make the ceramic plugs use a Barium Free Clay as Barium is toxic. 
 
Cheers, 
Tim 
			
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 Hundreds of people on reef central use them and have had no problems.
	Quote:
	
	
		
			
				
					Originally Posted by  RuGlu6
					 
				 
				If you soak in the toilet you might get some other contaminantes in. lol 
			
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 Think that will cause a nitrate spike?
