API Allied Precision Industries 4WW Water Wiggler Bird Bath Stirrer, Beige

API Bird Bath Water Circulator Standard Water Wiggler® (Item No. 4WW)

Erva Copper Bird Bath Purification Disk - Made in USA

MICROBE-LIFT Bird Bath Clear Two-in-One Water Cleaner and Surface Treatment for Outdoor Birdbaths and Fountains, Safe for Birds, Fish, and Frogs, Birdbath Clear 4-Ounce