Hydroton Expanded Clay Pebbles Size:50L Provides pest control

Provides pest control

Strong wire frames

This also prevents 'lamp flicker'

with slightly concave sides to improve strength and avoid bowing

now offered in black and white

Hydroton Expanded Clay Pebbles Size:50L Provides pest controlMother 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