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

https://waylonqois273.overblog.fr/2026/04/diy-electroculture-projects-antennas-ley-line-mapping-and-garden-layouts.html

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.