Solar aerators for ponds

Written by joe gordon
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Solar aerators for ponds
Solar-powered aerator systems offer an efficient alternative to grid-tied electric units. (Reggie Casagrande/Photodisc/Getty Images)

Aeration is necessary to maintain a healthy oxygen levels in ponds that support fish and other aquatic life. Aeration also improves pond water transparency by reducing the amount of bacteria and muck caused by stagnation and lack of oxygen. Solar-powered aerator systems offer an efficient alternative to grid-tied electric units with a relatively simple component design and eco-friendly benefits in a cost-effective manner.

Solar Aerator Components

A solar-powered pond aeration system works much like fish-tank aerators with an air compressor attached to a perforated artificial stone that feeds bubbling air directly into the water. Additional components include solar panel collectors (enough power for calculated need) and, in continuous operation systems, deep cycle batteries for power storage.

Benefits of Solar Aeration

Environmentally friendly and nearly maintenance-free, solar-powered aerators effectively provide oxygen to ponds. Solar-powered systems have a life expectancy of about 10 years --- twice that of grid-connected electric aerators. Solar aerators work best and are needed most during the sunnier months when fish and other aquatic life are most active because warm water holds less oxygen than cold. Solar units with battery backup systems offer efficient, continuous operation, even during low-sun winter months.

Cost of Solar Aeration

Depending on the system, pond solar aeration prices in 2010 ranged from as low as £780 (with no battery storage) to £1,625 to £5,525 for a large system with enough battery storage for continuous aeration. Annual maintenance cost is estimated at £32.

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