For balcony growers, compact coil pots use a small copper helix inserted into the medium
https://stephenfrjj694.image-perth.org/electro-culture-for-seedlings-vigor-from-the-spark
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.