Soaking in soapy water, such as Dawn dishwashing detergent, helps to break NTM biofilm formation. Since I’ve turned my water heater up to over 130° I feel comfortable using hot tap water for the soapy soak followed by a hot tap water rinse. After that, like you, I run through a baby bottle sterilizer using distilled water. I do not boil my distilled water before its use in the sterilizer.

What you decide to do depends on your disease state, comfort level, and risk tolerance. You will read here and other places varying degrees of methods and routines. Until there is a testing kit for home use which can test the adequacy of each method, we rely on experts in the field like Dr. Joe Falkinham and Dr Honda to guide us.