First time grower need some diagnosis suggestions, I've been over every guide already

Heres a pre Christmas update for you all. My 6 females seem to be doing fine. Currently have had the light cycle to 12 hours with my red bulb since December 1st. Not much has happened since the plants sexed. There has been more bushing out, plenty of heads popping up from branches and a few massive fan leaves. (Should I remove the massive fans or prune at all) Not much flowering though. Watering with 12 cups per Bush split into 2 6 cup waterings. Ph is between 6.2 and 6.4. Day time temp is a solid 60 and the lowest it gets is 36. Using the Dyna Grow Bloom nutes now. 20ml of nute per watering.
 

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Merry Christmas!

New symptoms. A little tip curl, a few yellow spots, some yellow leaf veins with green outside, and upward cupping of leaves.

I'm thinking a lack of nitrogen. Used 5ml foliage and 5km flower nute per mix.
 

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Things are going swimmingly. Some of the new upper leaves are curling down. Some of them have yellowed saw edges curling up (just the saw teeth) with green in the veins. All are flowering pretty well but I'm stumped on this purplish core and yellow extremities. Only happening to one plant so far and only the large single fan leaves.

Temps in the day are in the 50s-60s, nights at low 40s, Ph between 6.2-.4, supplying 12ml of nutes for 2.5-3 gallons of water. 8 cups of water when the pots become light.
 

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Really need some help. Plants changed drastically from Sunday to Tuesday. Many have stiff glossy green downward clawing leaves that look like they are wilting. One looks wilting with purple leaf centers and yellow edges. The top of the branch is red. I watered on Wednesday. Going to water again today. Temp hit a low in the attic of 30 last night. Going to insulate and water with halved nutrients today.
 

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Low of 30°? I assume that Fahrenheit. If so it has probably put the plants into their final stages of growth. The purple leaf looks pretty good. Some strains are like that. I think the rest of the symptoms are due to the below freezing temperatures.

Now if you are talking 30°C, those problems could be caused by too much heat.

We are an international community thatuses various systems of measurement. It's important to specify which you are using. I'm in Canada and am comfortable with the US and SI systems due to my age. I guess it;s good for something, other than slowing me down. :cheesygrinsmiley:
 
Low of 30°? I assume that Fahrenheit. If so it has probably put the plants into their final stages of growth. The purple leaf looks pretty good. Some strains are like that. I think the rest of the symptoms are due to the below freezing temperatures.

Now if you are talking 30°C, those problems could be caused by too much heat.

We are an international community thatuses various systems of measurement. It's important to specify which you are using. I'm in Canada and am comfortable with the US and SI systems due to my age. I guess it;s good for something, other than slowing me down. :cheesygrinsmiley:

Your right. Farenheit. I'm considering moving them downstairs. At least until it gets warmer up there.

It normally doesn't get close to that. Outdoor temps hit single digits without me knowing.
 
Here's an update. On 2 plants the tiny white hairs are starting to go from white to orange at the tips. 2 of the plants are having the tips go white on the fan leaves and one is further along. Flowers seem fine. 1 has just the uppers canoeing down but that's been like that for a while.

I'm assuming the flowers get far denser over the next week or 2 or 3 (no clue how long it will take them)

6.3 on the ph meter. 10 cups of water per plant. 76 during the day. 69 at night. There are a few fungus gnats. Going to get more strips soon.

Should I change what I'm doing or continue as normal?
 

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So.... I recently moved everyone up a pot and I'm about to move the 1st gen up. However, the leaves are yellowing differently. I'm not overwatering, and I'm always checking ph. Used the previously mentioned food for 2 waterings at 1/2 tsp per gal, then I did one without nutes, and this last time I used 1/4tsp of the nutes.

I did start using distilled water instead of tap.
Sorry this response was for an older posting, I didn't pay attention to the dates. I would say continue as normal. Right now your plants are cannibalizing whatever can to get nutrients. It's not uncommon for you're leaves to curl Inward and brown when you were in your final stages of flower.
 
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