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mgamer20o0 · 06-20-2009, 12:15 AM

worth it? its up to you i dont use them. the co2 regulator with a Solenoid turns on and off the co2 to keep it at the level you want.

06-20-2009, 12:15 AM	#2
mgamer20o0 Aquarium Advice Addict Join Date: Dec 2007 Location: so cali Posts: 2,945	worth it? its up to you i dont use them. the co2 regulator with a Solenoid turns on and off the co2 to keep it at the level you want.