Any hot tub can be sanitized with cholrine-free treatments. Hot Tub Silver is one such product.
Yes, the price of used hot tubs have gone down greatly. Although you could expect this with any product. Used hot tubs cost around $100-$200.
Baquacil is a non-chlorine alternative used to sanitize pools or hot tubs, maybe both. I'm not sure how to answer your question, but I bet you can find the answers at http://www.baquacil.com/default.asp . Good idea to ask your pool person too.
Its not the chlorine that you have to worry about. Pools, lakes, oceans, hot tubs, and any other body of water are filthy. All of that bacteria is terrible for a new piercing so you'll have to wait at least 2-3 months or risk infection.
Yes, chlorine can clean any water when used in the appropriate manner
The website Copper Tub is mostly used for the uploading of pictures that feature any old copper tubs. The tubs must be of copper, the age of the tub does not matter.
Check if you have any stabilizer in your pool without stabilizes (cyanuric acid) the chlorine use is greatly increased.
For a healthy young individual walk-in tubs and standard tubs are equally safe. For older individuals or people with any trouble moving their legs walk-in tubs are definitely safer and less likely to cause injury. Yes, they are.
Add Chem Out by Bioguard or any chlorine neutralizer.
Hot tubs need to be taken care of and watched for fungus build up.
salt water pools don't use chlorine salts, they are bromine salts. So yes, saltwater pool are better for you.
Handicap tubs are now being designed to fit in standard bathtub spaces. Many of the models available now do not have any special qualifications.
softer water, easier on your eyes and swimsuits due to the fact that pure chlorine is being made without any acid or inert ingredients. it produces a perfect pH right from the unit. never have to buy chlorine or shock again! i recomment the autopilot system.