Question 1 Option #2
Any comment?
An Alkaline Water Reverse Osmosis RO System Water Purifier is a terrific method to boost the pH of your drinking as well as food preparation waters. The standard process of reverse osmosis is a great one to use to raise the pH of your water. Unlike average taps, which get rid of every one of the water's minerals, an Alkaline Water Reverse Osmosis System is made to restore water's natural pH level.
https://www.olansichina.com/the-best-hot-and-cold-alkaline-water-reverse-osmosis-ro-system-water-purifier-dispenser-supplier-factory.html