No. Desiccants should be stored in an airtight container at all times and must be blue in color to use. If Desiccants are stored in open containers they can absorb the moisture in the air and turn pink or white rendering them useless. When this happens they must be discarded. Desiccants also have a 2-year shelf life. So if you see that your desiccants are not blue in color do not use them.