Hot Tub Chemistry 101
From Swim University
If you are a hot tub owner, you have realized by now that a hot tub is a much different animal than a typical swimming pool. The super heated water along with the smaller gallonage makes for a cauldron of bacteria, and makes it difficult to keep chemistry in balance. Where else would you turn to for a basic lesson in Hot Tub Chemistry other than Swim University? This post from Matt Giovanisci provides a blog post called Hot Tub Chemistry 101, which is indeed a great primer on hot tubs and chemistry for the DIY'er.
Here is an excerpt from the post: