How to read the pH scale
The pH scale is unique because the neutral point is not 0, but in the middle of the scale at 7. In addition, the distance between the numbers represents exponential growth.
Every time the pH value changes, i.e. from 8 to 9, the detergent becomes 10 times more aggressive. If the pH value rises by two whole numbers, i.e. from 8 to 10, the detergent’s strength rises by 10 x 10 = 100, becoming 100 times more efficient at removing grease and protein.
For every number below 7, the detergent becomes 10 times more acidic, and therefore more efficient at removing limescale and rust.
Red – pH-value 1-5
Products with an acidic pH value are effective against limescale and rust deposits.
Green – pH-value 6-9
Products with a neutral pH value are used for light cleaning of inventory, kitchens, dishes, and painted surfaces.
Blue – pH-value 10-14
Products with an alkaline pH value are efficient for removal of grease.