How to Grow Medical Marijuana Seed to Harvest E20 Hydroponics in Rockwool

This video and channel are intended for viewers 18+ and targeted at Medical Marijuana cultivators and users. All content is for educational purposes ONLY …


  1. You seriously need to LOOSE THE MUSIC! I need to concentrate on the subject and what you're saying! In many places I couldn't hear what you were saying music is to loud…. AWEFUL!!!!

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