To make a rock salt humidifier, you’ll need a large bag of rock salt (also sometimes referred to as sodium chloride) and two 5-gallon buckets. You should be able to find both at a hardware store. Here’s how to make it: Though baking soda is a great option for a dehumidifier, it only works in a small area. You may find some success with using it in a larger room, but this method is ideal for a smaller space, like a cabinet. Here’s how you can make yours: Here’s how you can make your own charcoal dehumidifier: Here’s how you can make it. Here’s how you can make your DIY calcium chloride dehumidifier. Here’s how to make a DIY silica gel dehumidifier.
