9
Liquids Readings
When the electrode is placed in a solution, the main
display and bar graph indicate the pH reading while the
lower display reads temperature (readings flash until
they have stabilized).
The curved bar graph is centered at pH 7. At a pH of 7,
no bars will be visible on the bar graph. When the pH >
7, the bars will extend to the right. When the pH < 7,
the bars will extend to the to the left.
Soil Slurry Readings
1. Add 1 part soil to 1 part distilled water.
2. Mix for 30 seconds.
3. Allow 1 to 2 minutes for soil slurry to come into equi-
librium
4. Submerge the sensor into the soil slurry and record
the result.
5. Wash the sensor with distilled water.
Direct Soil Readings
The SoilStik can also be used to take measurements
on soil cores. Moisten the surface of the core with dis-
tilled water and press the electrode onto the moist soil.
Be sure that the clear sensor and reference electrode
are both in contact with the soil. Rinse and clean the
sensor well before taking additional readings.
Taking Liquid and
Soil Measurements