Optical Refractometer
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- Optical Refractometer Parts
LED Optical Refractometer
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- LED Salinity Refractometer
- LED Brix&Salinity Refractometer
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Description
Fill a plastic soft drink bottle with water and screw into the feeder.
Insert the feeder into the front entrance of the hive to give the bees a source of water.
Insert the feeder into the front entrance of the hive to give the bees a source of water.
