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post #1 of (permalink) Old 02-15-2013, 02:01 AM Thread Starter
Planted Tank Enthusiast
Join Date: Aug 2012
Location: Fremont, CA
Posts: 688
CO2 atomizer not working? - what am I doing wrong?

A tank I recently bought came with one of these Up Aqua CO2 inline atomizers:

Except, I haven't seen my drop checker change color no matter how high I crank the bubbles per second. I also have steadily been increasing the working pressure, in case that was the problem, but I have it pretty high now (as you can see below).

I thoroughly cleaned/soaked it with bleach (injecting bleach into the CO2 area with a syringe even) and still nothing on the drop checker after a day of letting it run...

A week later, I ordered a new one thinking the old one was just broken or damaged.

I've had that hooked up for a few days now and still nothing.

Here is what my regulator settings are at:

I moved the drop checker into my big tank to make sure it was still working - within an hour it was turning yellow, so I'm pretty sure that's fine.

I also removed the CO2 tube from the atomizer and stuck it directly into the water, and I can see the bubbles coming out - so I am fairly certain they are at least reaching the atomizer...

What am I doing wrong?


Last edited by l8nite; 02-15-2013 at 02:05 AM. Reason: more info.
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