For balcony growers, compact coil pots use a small copper helix inserted into the medium

https://www.scribd.com/document/1034242800/How-to-Integrate-Electroculture-with-Drip-Irrigation-173518

For balcony growers, compact coil pots use a small copper helix inserted into the medium, aiming to localize subtle charges near roots without requiring tall poles or complex grounding arrangements.