Hi, and welcome to the forum!!

The user tphaggerty hasn't logged in since 2009, so you're not going to find anything recent that he/she posted. However, you can use the google search link in my sig to search through the forum and archives for further information now--you'll just have to log out to be able to search and read the results. After Ben upgrades your registration, the logging out won't be necessary.

I can't answer your questions about the spa/hot tub, but hopefully someone will be by shortly who can.

Again, welcome!