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  1. raingarden

    Waterer Design Problem-Seeking Scientist :)

    You can get a little 12v bilge pump (for boats) for about twenty-five bucks..
  2. raingarden

    Waterer Design Problem-Seeking Scientist :)

    The beauty of the float valve is that the reservoir container can have an open top so it is easy to refill. It does not have to be filled and then inverted. The problem with a float valve on anything except a pressurized mains water line is that the valve can get debris lodged in the seal and...
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