However, it is not actually true. It is significant to use both kinds of tubs. Air baths offer relaxation. The water buoyancy helps the muscles to relax. Mixing warm water into the bath also helps relieving stiff muscles. Improvement in blood circulation also takes place. This is an ideal therapy and solution for those individuals who suffer from various types of muscle and joint problems and arthritis. Since these are stimulating and gentler, they can be utilized by many users. Other beneficial effects of air baths are that users can control the flow of bubbles, enjoy soaking for long duration and continue using products which they like to add such as salt and oils in their bath.