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Maintain water quality: Prevent soil from dissolving oxygen, protect water from local pollutants, improve the ability to control water quality, and increase production by more than 20%.
Reduce the risk of disease: Insulate soil bacteria and pollutants from entering the water, reducing the incidence of disease and the use of medication.
Provide erosion control: It is made of high-density polyethylene (HDPE), which can resist microbial invasion.
Reduce operating costs: Including pond maintenance and repairs, medications, etc. When installed correctly, HDPE geomembranes can last more than 10 years.
Controlling seepage is the key to preventing contamination and it is best accomplished with the use of a geomembrane liner with a high impermeability rating.
Exposing the water in a fishpond or raceway to the bare soil also makes it harder to maintain the water quality parameters. By adding a geomembrane liners between the soil and the water, it’s much easier to maintain the exact pH desired.
Some studies of aquaculture, especially those involving shrimp and fish like carp, find that lined systems produce larger and healthier products at harvest time. For shrimp and fish, the larger growth and faster rate of development are mostly due to stable water quality and increased food sources gathering at the bottom of the pond.
Lining a pond or raceway gives you more opportunities for cleaning and controlling the conditions. By lining the pond, you can dry it down completely as often as you like and clean out all the sludge to achieve full sanitization.
