The Delmhorst Soil Moisture Meter Gypsum Blocks is one of the most popular and widely used tools for sensing moisture levels in soil at various depths. The Gypsum blocks are comprised of gypsum cast around two concentric, stainless steel electrodes. Specially designed to provide highly accurate readings and respond fast to changes in soil moisture, the unit is also favored because it is easy to install and use. The Delmhorst Soil Moisture Meter Gypsum Blocks measure 7/8” dia. x 1 1/8“ in height.

It is designed for use with the Delmhorst Soil Moisture Meter (#M167)