>I have read in numerous bird-related publications NOT to use regular bleach
> as the residue can negatively impact the birds. Hydrogen peroxide is the
> recommended alternative.

I'd be interested in any studies on that, as I use bleach at least once a
week. If bleach residue affects Robins, House Finches, or House Sparrows
(who account for at least 95% of bird bath use in my yard), I haven't
noticed.

Kelly Cassidy
Pullman, WA
mailto:lostriver at completebbs.com