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			 The vinegar will affect you PH a little to a lot depending on how much you use.  I used to use vinegar in combination with kalk to keep my pH at the prober level while boosting my calcium levels.   
		
	
		
		
		
		
		
	
		Essentially, if you are getting rid of a couple in this method it should be no big deal. If you are going after 20 like in my tank it might affect your pH. A pH meter would be handy.  |