Cabinets that utilize nitrogen or desiccator units are available that will accomodate the feeder so the parts don't need to be removed. Simply put the feeders into the cabinet at nite and remove them in the morning. Dr. Storage is one. A Google search will give you others to choose from.
We have 2 large nitrogen tanks on-site (in addition to dry boxes they supply ovens, ESS chambers, etc) but nitrogen costs $$ whether you buy it or make it. We're currently in n2-reduction mode and I'm in the process of replacing our n2 dry storage boxes with desiccating cabinets.
The desiccating cabinets plug into the wall and have 2 desiccant supplies that cycle through the cabinet. While one is keeping the parts dry, the other is drying itself out. All automatic. They are also available in varying Rh% levels, with PC interfaces, alarms, etc... and the response time after the cabinet is opened is better than n2.
Another, lower-cost option would be to only load a shifts-worth of parts onto the feeder. You have more reel changes but you don't have to worry about storing the feeders each nite nor the expense of the cabinet(s).
Good luck.
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