Description
NEW & IMPROVED! The UBeeO test ring isolates the test area from the rest of the brood frame by confining the UBeeO mix to the test area during application. The new, beekeeper-designed test ring has been upgraded to include:
- decreased impression ring depth and width (to eliminate need for twisting and prevent damage to cell caps)
- grooved channels on inside of ring (to prevent UBeeO run-off)








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