The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...

Applying lime when lime is not needed may have disastrous results in your garden, landscape and lawn. Determining soil pH is important in gardening. The pH scale ranges from 0 to 14, with 7 being ...

The pH scale runs from zero (very acidic) to 14 (very alkaline), with seven being neutral. Your skin isn’t neutral. Healthy skin sits in a mildly acidic range of 4.5-5.5.