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

https://cesaravij494.fotosdefrases.com/electroculture-vs-traditional-gardening-what-changes-and-what-stays-the-same

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.