How can I test the life left in my pH probe? [Article]
A simple test can be performed using Windex glass cleaner with ammonia and any type of soft drink. The procedure is as follows: Turn your meter on and place the probe in a so
TCM-500 Turf Color Meter Error: Light Leakage [Article]
The error message "LIGHT LEAKAGE" occurs when ambiant light leaks under the meter and on to the sample area.
Be sure the meter is pressed firmly against a reasonably flat, uniform area and r