Hydroton Expanded Clay Pebbles Size:25L Screened opening to help keep

Screened opening to help keep the pests out

Perfect for raised garden beds

When you have a CS-1T or CS-2 Climate Sensor on the #GCNetwork

-Use with CS-1T or CS-2 Climate Sensor to provide high temp shutoff functions

Hydroton Expanded Clay Pebbles Size:25L Screened opening to help keepMother Earth Hydroton Original The original Hydroton brand expanded clay is a unique, lightweight expanded clay aggregate made in Germany. This natural clay is mined, formed into pellets, then kiln fired at high temperatures to cause the clay to expand into tough, lightweight balls. Clay naturally has balanced capillary action, with an ideal surface structure. Hydroton brand expanded clay is semi porous and generally does not float like other products