Shop for Cleaning at The Home Depot. Concrobium Moisture Grabbers use unique water-attracting and storage technology to capture indoor humidity and moisture. They help lower relative humidity levels and protect possessions. Place Concrobium Moisture Grabbers in enclosed indoor spaces to reduce the moisture that can cause mold growth or corrosion on your valuable possessions. Once theya€ ve done their work, the pouches can be regenerated for multiple use and they dona€ t require cleanup of any messy residue.