Thread: Water Changes
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  #11  
Old 04-13-2008, 01:58 PM
ray ray is offline
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Join Date: Feb 2008
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There is a lot more to water than we can test for,there are trace elements and minerals that aquatic life use,also they excrete into the water,there is widely held opinion that cichlids release pheremones into the water to inhibit the growth of other fish,also I feel it makes them feel better,just like us a breath of fresh air outdoors is better than stale indoors air.
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