How can you keep the mold and slime out of a bird bath?

Kay shipp
by Kay shipp

Please help, I need to know how to clean a birdbath. I live in Florida and my birdbath gets so black on the bottom that a wire brush does not clean it. I have tried baking soda and comet. The only thing that works is pressure washing, but not likely to do that each month.

  5 answers