I have been doing this lemon water 3 weeks now. I suffer from terrible GERD going through bottles of tums like candy. I started the lemon water not knowing all the wonderful benefits to it. I have not taken tums in 2 weeks now and decided to research the benefits to Lemon water. I am amazed at what I have learned. I too, worry about the erosion of the enamel but have always used a straw to drink from. My complexion is clear and I feel great! I also do Raw drinks in the morning and include Wheat grass and Spirolina I think all of this is why I feel young and vibrant! So nice to read about your GERD condition improving. A lot of those related conditions are from a lack of acids and enzymes in the body to break down what we eat/drink -- so many people do as you did, take some type of over-the-counter antacid. When they start incorporating all-natural, whole foods (especially RAW) into their diets, many see great improvements -- and some have their conditions go away completely! Anyway, thanks for sharing -- just another testament to the power of a healthy lifestyle. Blessings to u! I still drink lemon water when I remember which I would say is about 5 days a week. Just a wedge squeezed into some hot water. My teeth, so far, are fine. The cleanse itself was hard, I'm not going to lie. But I felt so good afterward