Right before and just after use, please hold the probe clear and dry, and don't go away it from the soil for years 5. When using, insert 2/three with the depth, that's far too shallow to measure, and don't use brute drive as it may problems the probe six. https://soilinvestigationservices33109.jts-blog.com/29127166/rumored-buzz-on-soil-investigation-report-bangladesh