Hydroponics (similar) has been around for a long time and is used professionally for most flower grows, as well as in Brooklyn for lettuce, also in space and in

Hydroponics (similar) has been around for a long time and is used professionally for most flower grows, as well as in Brooklyn for lettuce, also in space and in countless indoor marijuana grows! Still automating the sensors is a big step forward... next step is to auto-balance pH and nutrient counts in response to sensor measurements.