Is this Calcium deficiency or a soil ph problem ?

  • Thread starter Isoreign
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Isoreign

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I believe this is calcium deficiency but I wanted your guys take on this

Using filtered water and haven’t used cal mag or anything once yet. It’s day 37 I believe.
My Dolomites lime just came into the mail but before I use it I wanted you guys opinion on this

These are 3 different plants
 
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1BC0B23F 8022 48C0 929B 99BAA2F31D58
E4038383 D470 4CF0 8F58 B50372EFE61B
B650ED58 2E29 4702 89B6 27917BD65B57
146D32B8 C49A 436C 8CA0 7D8BE8EC88DE
84248A47 A769 41F1 9117 F291E91A6379
55890D7D A277 431A 9A17 29FEA7F481C0
HaveApuff

HaveApuff

418
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It does look like a Mag deficiency to me (Cal/Mag), especially since you have not added any yet....and, not sure since I cannot see your lights above your plants, but maybe your lights might be a little close, or to intense 👍
 
I

Isoreign

5
3
It does look like a Mag deficiency to me (Cal/Mag), especially since you have not added any yet....and, not sure since I cannot see your lights above your plants, but maybe your lights might be a little close, or to intense 👍
I assumed calcium but from what I’ve read calcium wouldn’t show up on the lower growth it would be on the new grow and the lower growth looks like it’s the most affect by it




How far do you think they should be I have them at about 24 inches away from the top canopy and they are 400 wat lights
 
I

Isoreign

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first grow I decided to say fuck it and grow a lot so I can make a lot of mistakes and learn from them all, boy was I in for a lot of work 😂😂💯
 
HaveApuff

HaveApuff

418
93
Regardless whether it is calcium or magnesium deficiency, you need to add Cal/Mag to help solve your problem. I use Cal/mag on every watering/ feeding, especially in veg 👍😉…. and as far as your lights go, another 6"-12" wont hurt these girls. As a rule of thumb for me, if I start to see any deficiencies I usually lift my lights to help with the recovery until the plant is more comfortable to take the light again
 
Last edited:
I

Isoreign

5
3
Regardless whether it is calcium or magnesium deficiency, you need to add Cal/Mag to help solve your problem. I use Cal/mag on every watering/ feeding, especially in veg 👍😉…. and as far as your lights go, another 6"-12" wont hurt these girls. As a rule of thumb for me, if I start to see any deficiencies I usually lift my lights to help with the recovery until the plant is more comfortable to take the light again
Ok forsure thanks for the advice bro. And is dolomite lime cool or should I specifically get cal mag ? My soil ph stuff should be coming in this week so I’ll just raise the light and hold off for 3-4 more days
 
HaveApuff

HaveApuff

418
93
Remember, this is a weed plant. I personally don't top feed during my grow. I cycle my watering at a water, water, water, feed ratio with Advance Nutrients (Grow, Micro, Bloom, and a B52) when I do feed , but I also add Cal/ mag … and, I also add it to every watering as well in veg as the plant wants both calcium and magnesium. I also add B-52 to each watering. I ph my water/ feed to about 6.3 -6.7 and this works well for me in my setup. Remember, once you flip, the plant still looks for magnesium, but not so much calcium, but adding Cal/ mag through flower will not hurt to keep your mag levels up for the plants requirements. I hope this helps....less is best! 👍
 

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