For balcony growers, compact coil pots use a small copper helix inserted into the medium
https://medium.com/@iortusfkny/growing-edible-plants-with-gentle-electrical-stimulation-971f4857ea1e
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.