This is one of our favorites:  POND 122395

[KOI POND WINTER SCENE]A single pond of 9,000 gallons with two upflow, under gravel filters. Each filter measures 5 ft wide x 8 ft long and 3 ft high. These large filters are concrete and manufactured by KOI JOY for local use (they weigh in at 5 tons each). This pond system uses two KJ4000LH pumps with a third to go in soon. The construction of the pond was free form kidney shaped, 4 ft deep, 22 ft wide by 42 ft long. Two 4" bottom drains assure plenty of flow into a large skimmer basket in a pit, which supplies the two centrifugal pumps. A large surface skimmer keeps leaves and floating material off the ponds surface.

The owners have landscaped around their pond with bamboo, pine trees, ferns and boulders. One large deck reaches out over the pond to provide shade if needed for the 75 large koi. The deck is supported over the water by four posts which rest on the bottom of the pond. The deck also serves as a natural gathering place for any visitors. The owners spend their evenings here feeding their fish and enjoying their own small paradise.

A small deck nearby also hangs over the pond. This deck has trap doors built into it to conceal the skimmer, the pumps, and all valves, etc.

A unique feature of this home/pond system is the integration of a new water source heating system for the home with a highly efficient pond water makeup/de-icing system for the pond. The water source heat pumps use 62 degree farenheit well water for its heat source instead of local air. This means that year-round, a lot of heating for the home is available for free. Water source heat pumps can use as little as 1/5 or 20% of the energy to heat a home as electrical resistance heating. It also means that after the water leaves the heating system at a still warm 45-50 degrees, it is available as warm, clean water for makeup to the pond. This has resulted in free de-icing and winterization of the pond for the owners. They no longer have to use pond de-icers, heat tape, blankets and lamps to protect their pipes and filters from freezing. They save more than $150/month with this system and because the ponds water is changed more frequently, they have healthier fish!


We look forward to receiving information regarding unique ponds or pond systems. Please send descriptions as in the following example:

LOCATION: City, State, etc. Weather Conditions etc.

MATERIAL: Concrete, EPDM, vinyl, Fibre glass, etc.

BASIC DESIGN: 3 ponds connected by streams and waterfalls. Total of 9,000 gallons. Water is recirculated in excess of 1.1 times per hour.

LANDSCAPING: Bamboo, moss, flagstone.

PUMPS: (3) KJ3600 pumps for total of 170 gpm.

FILTRATION: In pond undergravel filter which covers entire bottom.

EFFICIENCY RATING: This is a rating that you give your pond system base on your knowledge of other ponds. Use a rating of 1-10 with 1 being low and 10 being the highest efficiency. A 10 would mean that you use the highest efficiency pumps, don't require winter heating or summer cooling due to design considerations. Other things that can be done to reduce energy consumption  would be to design your water return (waterfalls, stream, etc.) with a minimum required elevation to reduce pumping costs. A 5 would then be average in this category. This will be an increasingly important category as energy costs go up.



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