Purple leaf bad?

Nizza

Nizza

Well-Known Member
are temps between 60 and 80?
are you overwatering?
did you use quality soil?
these are some questions you should give info on, to get a better detailed response
 
mudhead31

mudhead31

Active Member
It looks like it could be a cal-mag deficency but before you treat it wait and see if it progresses because I am growing lemon kush right now andif I remember right some of them did that early but came out of it but if it progresses my guess would be cal-mag.
 
zander19

zander19

Well-Known Member
brother i have never seen this b4 in my life its new to me. but cal-mag is everywhere. mine is 10-0-0 but really you need something like 4-5-8 or lower i THINK.
 
mudhead31

mudhead31

Active Member
You should be able to get cal mag at any nursery,but before you treat let it dry out some and seeif it gets worse.Sometimes if you treat unnesecerily you cause more harm than good.
 
larrybobkins

larrybobkins

Well-Known Member
idk if its just me but for me its really hard to over do it with cal mag. I use all my other nutes every other water but I use the cal mag every water maybe leaving it out just one or 2 times during flower. it definitely helps but my spots were usually a bright orange back then
 
mudhead31

mudhead31

Active Member
larrybobkins said:
idk if its just me but for me its really hard to over do it with cal mag. I use all my other nutes every other water but I use the cal mag every water maybe leaving it out just one or 2 times during flower. it definitely helps but my spots were usually a bright orange back then
Click to expand...
Not sure what if any the efects of over cal-mag are but I aso feed it every week after week 4 veg right up to wk7 of fower and haven't killed anything yet...LOL
 
KuuShTokER22

KuuShTokER22

Member
I had to order the cal mag. None around here for miles. Should be here in 3 days. It's progressing but I did a 40 percent soil change to hold it off for 3 days
 
kagecog

kagecog

Well-Known Member
Its not a cal/mag deficiency. You got some bad advice mate. Purple leaves simply mean your temperatures in the grow room are getting cold at night. If you've ever wondered how people grow purple bud, its usually simply because the temperatures were getting cold at night wherever they grow. By the way, your over watering. make sure to let soil dry completely between waterings.
 
C

churchhaze

Well-Known Member
cal-mag isn't even something a plant can be deficient in. There is no such element. It's a product. What you have doesn't look like calcium deficiency or magnesium deficiency.

It looks like phosphorous deficiency, which can easily be locked out from low temperatures.
 
vostok

vostok

Well-Known Member
Easiet way to see (Mg) def. is a yellow leaf but with GREEN veins is still the best visual indicator!
 
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