Re: [compost_tea] Re: Air Required was: Air pump selection & 5 gal brewer

From: Jason Austin <jason.austin_at_shaw.ca>
Date: Thu, 02 Oct 2003 13:42:09 -0700

What about the amount of agitation of the tea from the air pump? My
home made brewer has a lot of air going through it, and it really roils
- there are no "quiet" spots.

Has anyone studied if the degree of movement in the tea during the
brewing process has an effect?

Jason

Jeff Lowenfels wrote:

> Bubble size is important. You are correct when you state the
> smaller bubbles have more surface area etc per unit of O2. However, it
> turns out the size of bubbles from an aquarium stone are too small.
> They shear the microbes. So the KIS size bubble is idea.
>
> Cheers,
>
> jeff
>
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Received on Thu Oct 02 2003 - 21:55:11 EDT

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