Microcurrents of electricity (too small to feel) stimulate root growth, increase sub-surface oxygen, and increase osmosis, which increases nutrient absorption and provides multiple other benefits.
The science behind Grow Rock has been around for centuries and was documented as early as 1745.
Grow Rock has added today's technology, in a new, patented process, that allows customers to get the same growth benefits in their homes that farmers and scientists already use.