Salt is a good choice, it attract moisture like a magnet until eventually it dissolves in it. This is called deliquescence.
I could see how it would work in a caravan, but to dry out a house would require massive amounts of salt. For instance my dehumidifier used to take out about 1 gallon of...
As you say, not such a good idea. First you will need about 1 cwt to do a whole house. After about 2 days it will have absorbed all the moisture it can and will be spent.
To rejuvenate it you put it in the oven and roast it to drive off the water, but where does it go - straight back into your...
The problem is made worse the more of these you have.
1. People in the house
2. Baths or showers
3. Clothes drying
4. Cooking
5. Candles burning
Warm air can hold more moisture than cold air. Hence the warm in the house fills with quite a bit of moisture.
When this warm air hits the double...