dry and yellow bottom leaves questions to experts

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Hello people

This is my first grow period :)

I am growing auto from dinafem blue cheese.

all is going well with the help of the AFN forum. LONG LİVE AFN :worship:

but I have a problem which we cannot figure out at least in my live grow post.
you can find the link here if you want to read details on the grow.

https://www.autoflower.org/threads/steelwools-first-grow-dinafem-blue-cheese-auto.47841/page-22

so just to summarize my problem.

I've had my bottom leaves go yellow and dry up for a while. (about 2 weeks). but its slowly increasing.

initially ı was told that this is due to lower leaves not getting light, ad ı was also told that this mht be due to lack of nutes
and t leaves re taking minerals from the bottom leaves.

but also what i can clearly see is, nute burns on the top leaves, you can see in the pics below, the edge of the new leaves have these corner yellowness to them.

so what im trying to understand is, why do I get the yellow leaves at the bottom? should I give more nutes or less nutes?

the scheme that I followed untill now with the feedings are (from pre-flowering) (IM using a 250W HPS lamp from start, with 20 light hours per day, with a 20 Lt pot)

the yellowness started around day 20-22

I use biobizz grow, root juice and alga-a-mic untill now.

once vertical growth stops I wll start using bloom juice.

I also have some cal-mag if there is any cal or mag deficiency. But I'm not sure if I'm facing this problem already.

Day 18
Pre flowering nutes start
1 lt of water 1ml grow 1ml root 1ml alc a mix

Day 24
Gave 2 lt water with
each 1 lt of water = 2ml grow 2ml root 2ml alc a mix

Day 29
2.5 lt with water no nutes

Day 33
2 of water
each 1 lt of water = 1.5ml grow 1ml root 1.5ml alc a mix

Day 35
2.5 lt of pure water

I am at day 37 today.

here are the pics:

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It's normal to lose the first set or so of leaves, if you were losing them half way up the plant I'd be worried but I think you are just fine. She looks good from where I'm sitting. I am doing my first indoor grow as well and I can say it's a bit like being a new parent, your gonna freak out about every little thing just cuz your not sure what it means, I was freaking out not long ago, but it was just a little RH problem, all sorted now but I just about had a heart attack thinking I might lose what I had put so much effort into. Just keep on keeping on your plant looks great, keep up the good work.
 
It's normal to lose the first set or so of leaves, if you were losing them half way up the plant I'd be worried but I think you are just fine. She looks good from where I'm sitting. I am doing my first indoor grow as well and I can say it's a bit like being a new parent, your gonna freak out about every little thing just cuz your not sure what it means, I was freaking out not long ago, but it was just a little RH problem, all sorted now but I just about had a heart attack thinking I might lose what I had put so much effort into. Just keep on keeping on your plant looks great, keep up the good work.

yeah im freakin out man.

i feel like its a life or death thing :)

but the yellowness is slowly creeping upwards, i can see it in more leaves closer to the top then before.

if its only light ok then, but if it is to do with the nutes, i just dont want to keep on doing something wrong, if it is wrong.

I dunno f that makes sense :biggrin:
 
Relax it is all fine. It is just losing old leaves that are no longer efficient. Look at how good all the other leaves look. It has a great deep green. No need to add anything at this point. If it needed more nutrition you would not have that beautiful color or tight bud node spots. Calcium deficiency is ugly and spotty. Look it up on google images.
 
I also do not see any nutrient overdose or burn. Dry tips are common in hot and dry grows. If you over fertilize you get leaves curling. Yours stick out straight as can be.
 
Relax it is all fine. It is just losing old leaves that are no longer efficient. Look at how good all the other leaves look. It has a great deep green. No need to add anything at this point. If it needed more nutrition you would not have that beautiful color or tight bud node spots. Calcium deficiency is ugly and spotty. Look it up on google images.

thaks for the tip man

now im feeling better.

so it is normal for this yellowness to slowly creep up as grow continues?
 
Yes, that is also how you will tell when the auto is on its final swell and ripening. That is when tons start to yellow and even spot in its last gasp of life.
 
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