pond aerator [RE-wrenches]

[Kurt Albershardt]

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--On Tuesday, October 07, 2003 4:21 PM -0700 Matt Tritt <solarone at charter.net> wrote:
>
> In this case I'm more concerned with circulation from bottom to top than
> with TDO levels. Injecting a high volumn of air bubbles at a deep point in
> the water (as you know) breaks up any problems with thermocline buildup,
> plus the benefeit from additional O helps prevent things going anaerobic at
> the bottom. Another interesting phenomena is that very litle oxygen is
> actually disolved in water as air bubbles perk up through it; it more like
> just passes through. Perhaps plants are more effective?

Jim Keeton is a whiz at this stuff and a few minutes on the phone with him will educate you quite a bit.  I've used and recommend his Dura-Venturi aerator heads.  Pair them with appropriate weighted line or his excellent self-weighted Alpine tubing for the underwater part.  I use inexpensive drip irrigation-type poly pipe for the underground and other plumbing.

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