I have consistently had trouble with this diffuser becoming so clogged that the hose pops out or detaches from the suction cup on the side wall and floats to the top of the tank. In all cases, this results in all of my CO2 surfacing quickly and requiring me to mix new reagents if I don't catch it in time. I clean it often but it doesn't seem to help much. I will try another model as this really seems to be a big failure point in my CO2 setup.
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