Do not be misled by articles that only advertise and promote but not really delve on the real tub issues and concerns. Get hold of an article that is written by a person who really comes from the tub business (We invite you to check out our Tub Reviews with comments by real owners). Otherwise, you will be guided by an article written theoretically and insincerely. Also, search for a guide presenting various features of each tub type. This may be done online to benefit from having more sources of information. It is also more hassle-free doing it at the comforts of your home. Check for the features and benefits as well as the pros and cons of having a particular tub type.
It will be best to compare the background of the manufacturing companies producing each tub. Follow up with comparisons on quality and efficiency to get the most out of your research.
Another good guide for purchasing a soft hot tub is through the available forums online. Make use of such forums to get information about other users' experiences. This, as well as getting promotional materials from suppliers, will help you better understand what tub you're looking for. Really, a good guide will help you get the best soft tub that matches your needs.