By metroplex from Houston, TX
If it is really dirty,j ust scrub with hot water and a little dish soap. Just be sure to rinse very well. You can also soak with white vinegar and water. That will kill algae and will not harm wild life. I use white vinegar to clean my hummingbird and oriole feeders, too.
Please go to Birds and Blooms.com. That is a wonderful site that can answer all or any of your questions. Good luck.
I was told to use one of the laundry spot removers like Oxyclean or something similar. This product is mostly hydrogen peroxide and will not harm the birds if used properly.
Add the oxyclean and water to the bath, let it set for a few minutes, making sure no birds drink while the solution does its work. Then rinse well and refill.
I wouldn't use the bleach, I don't think. For my birdbath, I just keep a brush handy that's made for cleaning barbecue grills and this does the trick. I change and refill the water sometimes several times a day in hot weather and depending on how many customers I have bathing, etc. I scrub the bath out every other day or so, whenever it needs it. It's really pretty easy to keep clean if you stay on it and the birds just love it so much. :-)
I think a little bleach is fine, as you will be rinsing it out and the bleach evaporates anyway. Just keep a scrub brush handy. I hide one behind some plants, and keep it brushed every few days.
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