Mold and mildew thrive in a humid, moist environment and if allowed to grow can destroy your home and belongings. A moist environment can be controlled by a dehumidifier that absorbs, and removes, moisture from the air. Dehumidifiers are available in many sizes and styles. Electronic dehumidifiers are often used in larger areas where electrical access and air flow are not a problem. Non-electric dehumidifiers, such as DampRid, are used in smaller areas with no electric access and minimal airflow.
DampRid is a moisture absorbent product produced by the DampRid Division of the W.M. Barr & Company, Inc. of Memphis, Tennessee. The company indicates on itswebsite, www.DampRid.com, that "DampRid is the worldwide market leader for effective, safe and affordable non-electric dehumidifiers."
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DampRid Moisture Absorbers, commonly referred to as DampRid, are inorganic salt products designed to remove moisture from the air. According to the Material Data Safety Sheet provided by the W.M. Barr Company, DampRid is comprised of predominantly calcium chloride with trace amounts of sodium chloride and potassium chloride.
The calcium chloride crystals in DampRid absorb moisture and aid in dehumidifying the area. Consumer Reports indicates that while the product does reduce moisture in the air, it is a slower process than with electric dehumidifiers. The calcium chloride can absorb up to several times its own weight in water. It will liquefy as it absorbs and is not reusable.
The calcium chloride in DampRid is considered a hazardous material by OSHA. Use care when handling this product. Exposure may result in nausea or irritation. Avoid direct skin contact with the product. If you experience skin contact, wash the area with soap and water. If irritation persists, seek medical attention. Do not ingest or inhale the product. If you inhale DampRid, move to an area with fresh air and seek medical attention if you feel ill. If you ingest the product, seek immediate medical attention. If the DampRid touches your eyes, flush them with clear water and seek medical help.