Back in my 2-parts dosing days, I splited up my dosage into smaller amounts like 5 or something. Calcium during the day time, and Alk during the night time. 
 
I figured out my tank consumption first, then use the BRS calculator, and split the doses accordingly. Then test every 24 hours for next few days. 
		
	
		
		
		
		
		
	
		
		
	
	
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