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			 Explaining algae with NTS is a crock imo.  The only algae that should be expected is diatoms.  Anything else is a nutrient problem.  Do you have GFO?  Have you tested nitrate and phosphate?  If so, which kits, what readings? 
		
	
		
		
		
		
			
		
		
		
		
	
		
		
	
	
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