Aggressive or salt soils will cut the life of a copper bonded earthing rod considerably. Copper bonded rods are designed with high corrosion resistance and can have a life in excess of 40 years in standard soil. However, their performance is put to test in high salt content or aggressive chemicals' environments. Saline soils speed up corrosion, resulting in quicker weakening of the co... https://www.pioneerpowers.com/copper-bonded-earth-rod.php