Himalayan salt for asthma,Oil pulling asthma,Also think i have gerd.Please help!

I have read about Himalayan salt brine working for people with all lung ailments. I'm wondering where you get Himalayan salt from organic health food store, regular grocery store. Also what you do with it how much you use. Also how long does it take for improvements(even if they are little). Because I need to "pass" a pft(pulmonary functions test) for the military. I'm at low 80% and the doctor said I may have borderline obstructive lung disease no inhaler prescribed. I'm desperate for help.Also i get heart burn more than twice a week,acid shoots up and out of my mouth,heartburn more frequent upon exercise.(i think this may cause asthma symptoms)

Also heard about oil pulling does it help what oil to use how many times a day.

Also what is a good natural bronchodilator

I hate to add this in i need immediate cure/relief then after my pft take/do something long term.
Thanks

my PEF's are any where from 590-690+
Oxygen level in my blood is 100% does that sound like asthma? Tweet