@HappyHydroGrower Ok. My friend has the same light that gave me the advice, but he grows in soil and I wasn’t sure if that made a difference. I’ve looked online, but you get a range of heights for my 600w light (hlg 600 rspec ). I’ll ask here and see what they have to say. Thanks a million! 
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@Graysin @HappyHydroGrower I flipped to flower this week and my nute recipe calls for less cal mag. Is that the usual in flower or could it be because I have a recirculating system? I have been adding 6ml/gallon. Should I keep it that way or 1/2 it like my recipe calls for?Wanted to get your opinion since I had a cal mag deficiency in the beginning of veg. She’s doing quite well (I think 
).
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I never reduce CalMag. If anything I increase it. I’d stay the course and adjust if it seems like it needs more or less.
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Thank you for that advice!
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