ProBioF is bacteria and food source together, it's like NP Pro and ProBioS together in powder form. 
 
I also don't know if you need to dose carbon AND run biopellets, usually one or the other, but I can see it working as long as you don't have absolutely zero nitrate. 
		
	
		
		
		
		
		
	
		
		
	
	
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