Soil pH Colour Chart
£3.50
A soil pH reading chart for use with both of our testing kits
Soil pH colour chart for reading pH results from test tubes. pH reading range from 4.0 to 7.5, with soil pH testing instructions on reverse side.
£3.50
A soil pH reading chart for use with both of our testing kits
Soil pH colour chart for reading pH results from test tubes. pH reading range from 4.0 to 7.5, with soil pH testing instructions on reverse side.