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					Originally Posted by Beverly
					
				 
				Okay.  The facts so far 50% water change with tapwater.  That's a pretty big water change.  You probably have a bacteria bloom from the declored tapwater due to the fact that Edmonton's tapwater is treated chloramine.  Chloramine is a compound consisting of ammonia and chlorine, with about 1 ppm ammonia. 
We had a recent discussion on chloramine in Edmonton's tapwater here....
 http://www.canreef.com/vbulletin/sho...light=ammonium
Instead of waiting for a bigger tank, you should invest in an RO or RO/Di unit, or else use RO or distilled water from the grocery store for water changes.  
			
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  Since i am not allowed to install a Ro/DI unit in my apartment, is there anywhere in edmonton where i can buy bulk distilled water? i don't want to haul 5 gallon jugs from the damn grocery store 

Also if there was a problem using tap water wouldn't it have shown up early, not after 4 months?