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Has anyone used wood airstones for CO2? If so, I would assume some
blockage over time... How do you clean it? I would imagine that you
could use diluted bleach (as one might do for driftwood). Any takers?
Also, has anyone ever used a Tetra Luft Diffuser (plastic ring
airstone)? If so, how fine can it be adjusted too?
What about the Ebo Jager diffuser?
pearlsco at u_washington.edu
How much does a fish need a bicycle like a man needs... ?