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Re: [APD] Air bubbling
>I've found that air bubbling made no difference. But increasing the
>water surface movement makes a huge difference.
I have tested this with a dissolved O2 meter. In my 50 gal.
the DO levels rise from 2-3 to 6 mg/L in about one hour with one 1"
air stone. I don't think the bubbles themselves make much difference
but the surface agitation does the job.
A test could be done normally and then another by trapping
the air from an air stone below the surface and then comparing the
effect of the two setups.
Bangalore, South India.
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