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Review title: Didn't work in Michigan
Product review: My bird bath (in mid Michigan)is very busy, I have to add water and clean it daily. I thought why not try this attraction? Amazon sent it in double time as usual. After placeing it in the bird bath I noticed the water level didn't chang for two days. I then removed the unit and changed the water in the b.b., and within 2 minutes it was full of birds again. I'll try it again next spring.
