This dehumidifier from Hydrosorbent includes an inbuilt recharge indicator. The indicator is originally orange in color, but it turns alone crystal clear when it needs a reactivation. They take up extra humidity from the environment by extracting water molecules into a desiccant product which draws h2o. The crystals harden since https://bookmark-media.com/story20976003/the-best-side-of-desiccant-dehumidifiers