Sorry to side track this thread, but I think we are doing this newbie a disservice. It looks like he may be seriously considering switching sanitization methods and the conversation has switched to what will happen to his tub, not what has happened to his wife.
In two weeks of tub ownership, you are usually not great at balancing your water. To just give up on one method and switch to another (especially a controversial method), might just make matters worse.
I think of Chas good council about dumping that very first fill when water issues develop. I think that Rkuki is giving up too easily. He hasn't really had time to master chlorine sanitization.
How about Windsurf? You have a Master Spa, and if I remember correctly, you use chlorine...