Natural Waste Water Treatment 4.0 from 0 reviews
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A look at small decentralized sewage treatment plants that use the natural purifying characteristics of marsh plants.

Bullfrog Films, Inc., PO Box 149, Oley, PA 19547, Phone: (610)779-8226, Toll-free: 800-543-3764, Fax: (610)370-1978, Email:, URL:

Available on Running time 29 minutes.

Cast and Crew

Waste Products, Ecology & Environment
Hans-Ernst Weitzel

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