Hellow guys, Welcome to my website, and you are watching Week 6. How to ID magnesium deficiency. Using a EZHYDROGROW DWC kit and a Mars Hydro TSW2000 LED. and this vIdeo is uploaded by EZ HYDROGROW at 2020-06-06T06:09:14-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.