I have regular cranial osteopathy, which relieves lots of problems but it hasn't had any impact on my reflux.
I bought a pH testing kit from a garden centre (where they also sold ponds) - it's a simple kit, doesn't give a very precise pH but enough to know whether it's in the danger zone!
New stuff: GERD. Interstitial Cystitis
Lifelong stuff: Food allergies, eczema, asthma