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					Originally Posted by  BlueTang<3
					 
				 
				Not sure why I was going through so much, before on the 250g the bottle would last 4-6 months and I had way more corals and clams it seemed, water volume now is 550 gallons, running a large calcium reactor and was running it off a needle valve about 4 drops per second.  Switched to dosing and at 250 ml a say 
			
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 Do you mean bubbles per second or the effluent from your reactor?