pond irrigation... [RE-wrenches]

[Windy Dankoff, Dankoff Solar]

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>Here's a unique question...
>
>I am working with a customer that is adding a pond (30' X 50' X 3' deep)
>to his homestead. He is needing information about some kind of aerator /
>filtering system for it. As this is an off grid system the pump probably
>needs to be a DC high efficiency type... does anyone have experience
>with what is needed for this kind of application. Windy, you are the
>pump man... ever done anything like this?
>
>Thanks,
>
>Todd Cory


Sure, Todd. Are you sure he wants filtering, as you say? Aeration 
works wonders for keeping a pond in healthy biological balance. I 
don't think he wants filtering.

So, there are two ways to aerate -- pumping water up a few feet and 
splashing it down, and pumping air to the bottom of the pond, letting 
it out through a diffuser that breaks it into teeny bubbles.

The air pump system is much more efficient, but sometimes people want 
the splashing effect, or both.

We have a fountain pump called Sun Delight, that lifts water about 4 
feet running on a 75 watt or so module. For such a small pond, it 
might be adequate for aeration. If not, he can add the aerator -- or 
just do the aerator, which is cheaper / less watts.

I can give you details later ... write back off-list.

Blowing Bubbles,

    Windy

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