Manual Growing lights
Introduction
During the darkest months of the year, bumblebees have trouble finding their way back to the hive. For
effective orientation they need at least [...] shaped, UV pattern around the entrance of the hive to help the bumblebees find their
way back to their own hive. Tests showed that the blue door led to [...] positioned with the openings in opposite directions to make sure the bumblebees find their
way back to their own hive. The big frames for 12 hives are positioned