Materials matter: copper resists corrosion and conducts well

https://medium.com/@tucanefutf/electroculture-for-native-plant-gardens-respecting-local-ecologies-1558d94f8961

Materials matter: copper resists corrosion and conducts well, while galvanized steel is cheaper but heavier; choose durable wood or bamboo for masts, and avoid treated lumber that may leach chemicals.