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This is a discussion on New to semi-hydro within the Semi Hydro / Lights / Greenhouses / Accessories forums, part of the Orchid Culture category; For the record, I worked in a hydroponic greenhouse as a volunteer for almost a ...
For the record, I worked in a hydroponic greenhouse as a volunteer for almost a year. I know what hydroponic is but I don't know what semi-Hydro is!
It's just single-pot hydroponics, done to avoid potential cross-contamination by plant pathogens that can happen when using a shared reservoir.