Soil Moisture G-Block
• Soil Moisture G-Block designed to provide the largest resistance range possible at the moist end of use, where sensitive plants need monitoring.
• The large gypsum content of the block provides months of buffering soil solutions to ensure that you're really reading water content and not salinity or fertilizers
Details• They are easy to install and simple to read and provide a reliable method for subsurface moisture monitoring.
• Feature a slim, 7/8" (2.2 cm) diameter design and come in a variety of lead lengths.
• Once buried, depending on soil type and conditions, the blocks have a life span of 2-5 years.
• Available with 3, 6, 9, 15, 25 and 50 foot leads.