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IFAS Circular# EES-114

Solar Water Heating for Aquaculture

C.D. Baird, R.A. Bucklin, C.A. Watson and F.A. Chapman


Opening Paragraph:
Aquaculture is a significant industry in Florida with annual farm-gate sales over $50 million (1991). Production includes ornamental fish and plants for the aquarium industry, catfish, alligators, oysters, clams, Tilapia, and other miscellaneous species. Ornamental fish and plants are the largest segment of the industry with combined sales of over $42.7 million. Almost all ornamental species are tropical in origin, and, therefore, require water temperatures to remain constantly warm to maximize production. Ornamental fish and plants flourish in water temperatures between 75° and 85° Fahrenheit, which is above ambient temperatures in most ponds and buildings during the winter months. During this time, outdoor ponds are covered with plastic to conserve heat and warm well water is added during freezes. Hatcheries and shipping areas are indoor facilities which require additional heating during the winter months as well. Conventional heating systems are a significant portion of a facility's overall costs.

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