pH is an important indicator of health - for people, plants and Ferments.
People should be in the 6-7 range. Ferments from 2.5 to 4.5. If you do home canning or perserving a pH meter is vital. Plants may be either acid or alkaline. You can also test your drinking water and your swimming pool. Using these tools are simple and straightforward.
Easy method to monitor your health and to know if your health regime is working or not.