I have never boiled water for either of my children. I used tap water in the US since it came from a well. And my little one here got bottled water from day 1. And it was given the A OK from her doctor.
Musafi is probably one of the worst waters you can give to a baby it has 10 mg of sodium per litre and 47 mg Chloride per litre opposed to Arwas 3.3 mg of sodium per litre and 1 mg Chloride per litre
Please dont give your baby Musafi
I've never boiled bottled water for my LO as it's sterile anyway, I think!
Masafi is good as it has a reasonably low sodium content and BPA free plastic bottles for the dispenser.