yep.. I have the co2 tank and regulator where I can see them.. yes it has a bubble counter. I have it on a timer and it is off. I did turn it on to see if it would be loud.. I couldn't hear a thing. I am looking at the tank right now and I can see air bubbles coming out of the spray bar. it is enough air that it is covering one of the sides of the tank. I checked for any leaks where it could be taking it in.. and nope.. no leaks
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