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			 Sorry - apparently I'm obsessed about measuring NO3 and PO4 - because I ask this of just about everyone - but I'm curious, what are you using to measure PO4? 
		
	
		
		
		
		
			Pictures show an incredible improvement in colour. Very awesome! (PS. I told you so   )
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	-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!  |