I used to get terrible mag def until I figured that out. I've read that the absolute amount of calcium or magnesium is not that important but you need the right ratio otherwise one will lock-out the other. When I considered the amount of calcium deposits on everything that gets wet I thought that sounds reasonable. I could also solve it by adding relatively large amounts of cal-mag, but then I'm adding a lot of unnecessary calcium and especially late in flower a bunch of N as well (I used Botanicare cal-mag). Being able to add just magnesium is the perfect solution for my tap water. I never use cal-mag anymore, even in flower when the light is fairly close. It was also worse using LED compared to the CFL I had before.
And she has shit loads of bud sites man! Is she stretching at all?
grow and learn 
lets just get that one cleared once and for all
Does the 71 refer to birth year if so i.. 75 here haha
Cool setup slowmo, I'll be tagging along. That looks like it could be a mag def. Do you know if your water is hard? I usually use 1ml/l of the mono mg but since you have a likely deficiency already you could go 2ml/l for the first watering at least possibly a couple more.



It does indeed YOUNG MAN!!! Hahaha [emoji3]
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Thanks, you old farts 
As a 78 I feel like a youngin hereThanks, you old farts
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... but im sorry to say 78 might be the worst year ever music wise ... i have currently 2166 albums in collection only one from 78 