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Seedsman Northern Lights (Auto).

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925
5 years ago
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Grow Conditions
Week 2
Vegetation
13.5
cm
inch
Height
18 hrs
Light Schedule
14+ conditions after
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Nutrients
ml/l
ml/gal
tsp/gal
1+ nutrients after
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Grow Technique Usage
SoG
Technique
Commented by
SourDeez SourDeez
5 years ago
Up til now - I had just been watering about 250ml of water around the stem of the plant every other dayish. November 26th - First time watering with nutes until there was drainage. 1.5L per 3 gallon pot. Dryish weight - 3.8kg. Weight after 1.5 L water - 5.1kg Collective Runoff PPM (all runoff went into 1 bucket) - 900ppm Started with 12 Liters of RO water (1.5L x 8 Plants) Starting PPM - 9PPM After 3ml Cal Mag - 58PPM After 6ml GMB - 215PPM pH Strip color - Yellow (Somewhere around 5.5-6? Really need to buy a new pH probe) I wasn't comfortable with the width of the stem as some of the plants seemed to stretch a bit. So I buried the stem in about 1-2 inches of additional soil. I realized I totally fucked up. I had been using a 10K solistek MH "finishing" bulb for this grow. Today I switched to a used Sunpulse LLT/SP400 6.4K MH bulb. November 28th: Below are the height measurements (Measured from top of newest center growth. at the "V" of the plant. So, not the tip of the leaves). One thing I should mention is that I made what I believe to be a huge fuck up. When I potted these initially I was afraid that my soil mix would burn the babies. So instead what I did was I put the soil mixture into the pots, and then I placed about a 2-3 in layer of Coco/Perlite on top of that and placed the rockwool seedling into that. After a few days I realized that the top layer of coco wouldn't give a good indication of the moisture while doing the "finger" test and decided I should try to "scrape away" the top layer of coco and replace it with the soil mixture. So I removed the coir around the plants and replaced it with the soil mixture. While doing this I accidentally uprooted #2. This plant has grown significantly slower than the other fast growers. Number 9 is also showing slower growth and although it wasn't uprooted I am beginning to feel that perhaps toying around with the seedling has caused it to have the same problem as #2. In short, next time I am just going to sow the seeds directly into the soil. Plant 1 - 11cm Plant 2 - 5cm (This is the guy that was accidentally uprooted) Plant 3 - 7cm Plant 4 - 13.5cm Plant 5 - 8cm Plant 6 - 6cm Plant 8 - 7.5cm Plant 9 - 4cm Last week I talked about how #3 started from the beginning with pale patches on the leaves and looked a bit deformed, however the more it grew the more normal the growth started looking, but the pale color did not subside. I am seeing this white come up on a few other leaves as well, but to a much lesser degree. Affected plants are #3, #5, #6, #8. Perhaps the problem already was on 5, 6, and 8 but I just never noticed due to it not being as severe as on number 3. I learned today of a disease called TMV (Tobacco Mottling Virus). I saw pictures and the discoloration looks similar to what is on my plants. TMV is supposed to affected growth, but strangely the plants with this problem seem mostly healthy as you can see in the pics above. I'm hoping it isn't TMV and that it's just some weird genetics.
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Grow Questions
SourDeez
SourDeezstarted grow question 5 years ago
Plant #3 (pic above) started as a sprout with discoloration. Now on its 4th node, the plant is still affected. Some other plants seem to have it to a lesser degree. I learned it may be TMV, but they are healthy and growing well other than this slight discoloration. Any thoughts?
Solved
Leaves. Color - Mottling
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HighRoller909
HighRoller909answered grow question 5 years ago
No tobacco mosaic virus,I don't even believe that virus to be spread over cannabis plants.You run pots of the same strain,it's most likely a mutation like @SpinnerCaribbean explained. Newer growths look good,no mosaic virus
SourDeez
SourDeezstarted grow question 5 years ago
Plant #1 started out last week with light colored patches on the leaves of the first 3 nodes. The lighter green patches turned into a rustier color. Rest of plant looks healthy. Also all other plants aren't affected and are growing lots of branches, but #1 is not. Any ideas?
Solved
Leaves. Other
like
CRiSPrGrow
CRiSPrGrowanswered grow question 5 years ago
For some reason the microbial life in your soil isn't buffering the pH correctly probably from overwatering ever so slightly up to two or three weeks ago . If you don't have access to pH things you probably don't have access to anything right ? If you did have access you would be looking for beneficial bacteria, enzymes or humic acid (buffers to 6.5). Since you don't what you want to do is let the pot dry a bit more than usual then water very carefully with molasses, hopefully the sugar will feed her beneficial bacteria, make sure you get rid of compacting of the soil just by squeezing your fabric pot. Hope this helps 👊🏻
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CRiSPrGrow
CRiSPrGrowweek 2
hey SourDeez, hope i answered your question 🤷‍♂️, anything else you need just let me know 🚀
CRiSPrGrow
CRiSPrGrow
@SourDeez, nah like i said input 6.0 but you want to measure 6.5 on the way out, this should be done by your soil naturally, but that's not happening. Adding silica in flower is going to cause more harm than good (pH issues with silica) . This problem seems like it's got worse and the pH has not fully stabilised. Instead of silica , try adding humic acid with your feeds. Humic acid will pH to 6.5 . The pH perfect nutrients are not exactly pH perfect sometimes - go figure ! 👊
SourDeez
SourDeez
@CRiSPrGrow, Thanks for the fast reply. What's weird is all of the plants are the same strain but each one seems to be showing different things. Like Number 6 on week 7 has just a single leaf that has a bunch of black and also one leaf with a huge yellow spot that I never noticed (Definitely wasn't like that last week). I still think I have pH problems or the soil is to Alkaline but it's really just a guess. I water in at about pH 6 and then the runoff comes out at 6.8ish. The silica blast is coming today, do you think I should pH my water up to like 6.5?🙏
CRiSPrGrow
CRiSPrGrow
@SourDeez, good news, best i can tell that's from the pH fluctuations from before and the problem seems to have "stopped" spreading, the affected leafs wont recover as in get better, and the damage done "gets worse" in the sense the necrosis completes, give it another week of monitoring if you can see the issue's not spreading or getting that much worse then you can pull it off lol . that's actually not that bad with the damage, think you managed to rectify the situation quick enough to avoid the worst 👊
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CRiSPrGrow
CRiSPrGrowweek 3
The greyish spots look like residue from a splash during watering and the worsening splotchy burn patches could be from a pH fluctuation like last week or something , if it stopped spreading means the soil is buffering itself correctly again 👍🏻
SourDeez
SourDeez
@CRiSPrGrow, Hey dude thanks so much for taking the time to answer my questions on my first grow. I didn't even know this comments section existed as I'm new to the site. It's weird because I wasn't sure if the gray/brown spots were spreading or if they were already there and I just didn't notice. They're hard to notice in the gray stage, but once they're brown it's very apparent. Now I kinda regret that I flushed it today. Anyway, I do have one more question. In my week 5 post that I just uploaded I took a picture of some "soggy" lower leaves that sag and eventually dry up. Is this just natural defoliation or a sign of something else? Thanks again!
8bitdakota
8bitdakotaweek 4
Great looking grow! I am growing the same strain from seedsman, and the pics you listed in week 2 look just like what's on my plant. It's my first time growing this strain, maybe something in the genetics? Either way, I'm around day 40 with it now, and it's looking healthy, but same weird coloration on the leaves this whole time.