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

https://daltonbcvh980.cavandoragh.org/composting-meets-electroculture-supercharging-soil-life

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.