I was just wondering if anyone is applying the BBB method for thier hot tubs. I have a new pool this year and now am thinking about runnning the BBB method for my tub? Also can you use muratic acid to lower PH and Alk in a hot tub? Just refilled mine and have the muratic for the pool so can I use to lower in my tub? Any input? I understand if HT talk is not disscussed here just a thought.