Given that the gel cycles as a result of and gets to be heated, the odors trapped while in the gel may possibly escape. Some desiccant dehumidifiers may have a laundry method. You'll be able to run this periodically in an open up-air space to release any trapped, unpleasant odors. https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/