All you need is a bunch of bluebireds. Our birdbath gets emptied every night when the bluebirds start taking their daily bath, Looks like a high powered outboard running just below the surface the way the water splashes out.JWBrahman":2f3yfgdh said:Ha, it works better if you put a fountain in it. Helps wash out the bird turds, too.greybeard":2f3yfgdh said:I had one for awhile. It stayed full of mosquito larvae and the adults were so thick they ran the birds off from it.JWBrahman":2f3yfgdh said:Put a bird bath by your house.