So you (Still) Want a Crystal Clear Pond: Revisiting Undergravel Filtration - POND Trade Magazine | Swimming pool pond, Fish pond gardens, Garden pond design

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So you (Still) Want a Crystal Clear Pond: Revisiting Undergravel Filtration - POND Trade Magazine

I’m happy to take this opportunity to expand on what I wrote four years ago about undergravel filtration.

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So you (Still) Want a Crystal Clear Pond: Revisiting Undergravel Filtration - POND Trade Magazine

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So you (Still) Want a Crystal Clear Pond: Revisiting Undergravel Filtration - POND Trade Magazine

1 Comment