A small floating unit that keeps pond water moving. Sun runs the pump, the pump feeds the air stone, and bubbles lift water as they rise.
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Drawn to scale from the inventor's dimensions: a 1,000 litre tank, a 30 cm float, a 15 by 10 cm panel
Sets how long the sun is up and how high it climbs. More sun means more panel output, more pump flow and more bubbles. At 0 hours the sun never rises and the pump stays off.
- Time of day
- Night
- Panel output
- 0.0 W
- Pump flow
- 0.0 L/min
- Bubble rate
- 0 per second
Three parts that do the work
Palm-size solar panel
About the size of a hand. It sits on top of the float and needs no mains power or battery bank.
Low-draw pump
Sips the little power the panel makes, so it keeps running through the sunny hours.
Air stone
Hangs below the surface and breaks the air into fine bubbles that carry water upward as they rise.