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I've been using this product for the last 3 summers. Originally it cleaned my black-spotted cement birdbath, and since then, has kept it clean. The many birds who regularly bath and drink in it, and the occasional squirrel who jumps up to drink from it, are unharmed by the enzymes in this birdbath protector. All seem quite healthy and happy.
Rating: [5 of 5 Stars!] |
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