Every place of origin is different. Mine is from Wahaha Water Plant in Guiyang, Guizhou, with ph above 9.0 and strong alkalinity. Soda is an artificial adjustment of the ph value of water, and it is unhealthy to drink too much with artificial chemicals. Drink Nongfu Spring. It is natural weak alkaline water without any artificial substances, with a ph of 7.3 plus or minus 0.5. It is very suitable for human consumption and cheaper than soda water.