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· Registered
231 Posts
Discussion Starter · #1 ·

Can fluctuating or low CO2 cause these? my diffuser had become clogged and was only letting a stream of large bubbles out. I cleaned it but it (soaked in peroxide and excel) didn't seem to help much. It's not the mist of small bubbles that it was before.

· Premium Member
8,540 Posts
I think the answer to your ? is YES. I was using the little glass diffusers and they kept clogging too. I soaked in bleach, used a brush on the ceramic disc. They seem to get clogged/wear out- something... Now I'm using just air tubing with a broken wooden skewer. I can replace the skewer when it becomes clogged. It's very tiny so you can hide it. It works great in small tanks. For my larger 29g I use the little filter described in the same thread. Look here at post #89
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