Provides effective earthing (grounding), particularly in difficult or poor earthing soils e.g. sandy, pumice, stoney or ash. The salt attracts the moisture and the absorbent clay holds moisture and increases the conductivity of surrounding soil. One Super Earth Kit is equivalent to three conventional 2m earth stakes. Kit contains: Salt – approx. 3kg, absorbent clay – approx. 4kg, galvanised earth clamp, stainless steel rod. 10 year guarantee.