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					Originally Posted by  Zoaelite
					 
				 
				Hmmm, I was more leaning towards the point that the calcium bicarbonate would precipitate onto the impeller itself causing dysfunction.  
 
I must be wrong if Steve had no problems with abiotic precipitation via supersaturation though. 
			
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 I just didn't have issues with what I was doing, using different volumes or salt might change things. I know precipitation will occur eventually at some point, I just never reached that point.