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AMATEUR Northern Light 250W 2x4

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3480
a year ago
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4
Custom
Grow Tent
Indoor
Room Type
Defoliation
weeks 3, 8, 12
Topping
weeks 5
LST
weeks 5, 8
Bio Bizz All-Mix
Grow medium
Grow Conditions
Week 10
Flowering
47
cm
inch
Height
12 hrs
Light Schedule
13+ conditions after
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Nutrients
ml/l
ml/gal
tsp/gal
Commented by
Seedler Seedler
a year ago
Grow Diary: AMATEUR Northern Light 250W 2x4 - Week 3 Flowering Begin 25.09.2023 🌼 Strain: Northern Light Linda Seeds 💡 Lighting: 250W LED Grow Light 80% 37cm away from plant = around everywhere 800ppfd & 34 DLI (the light is really good, and the spreading is really even!) 🌡️ Temperature and Humidity: 24°C (Day) / 18°C (Night), 45-50% rH Weekly Update - Week 3 of Flowering: In this week, my Northern Light grow continues to progress, but the buds are still forming, and the plant is stretching upwards. Here are the key highlights: 🌷 Flower Progress: The flowering buds continue to develop, and the plant is still stretching upwards. The buds are gradually taking shape, and I'm looking forward to the coming weeks as they further mature. 🌡️ Temperature and Humidity: Temperature readings remain consistent at 24°C (day) and 18°C (night), with relative humidity ranging between 45-50%. These conditions are ideal for the flowering phase and contribute to the overall health of my plant. 🌱 Nutrients and pH: The pH of my nutrient mix remains stable at 6.3, and the EC (Electrical Conductivity) is at 0.8. next time just water tho Gnat Issue: Unfortunately, I've noticed a minor issue with gnats (fungus gnats). I'm actively addressing this problem by keeping the soil dry and using yellow sticky traps to catch the gnats. I hope to see improvements in the coming days. i will also give them some neemoil to fix the problem 💡 Lighting: The LED grow light provides a PPFD (Photosynthetic Photon Flux Density) of 800 and a DLI (Daily Light Integral) of 34. These light values are ideal for the flowering phase and promote bud growth. I'm eager to see what the upcoming weeks hold as my Northern Light plant continues to flower, and the buds progress further. Stay tuned for more updates and photos!
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Grow Questions
Seedler
Seedlerstarted grow question a year ago
can someone help me and tell me whats wrong? ph:5.5 runoff ppm: 1000(no fertilizer yet, i just added water and they looked fine before) ppfd: 600 DLI of 40 (maybe too much too early?) + red stems constant good vpd recently watered i appreciate any help and or tips :)
Solved
Leaves. Veins - yellow between
Leaves. Color - Pale
Leaves. Color - Mottling
like
m0use
m0useanswered grow question a year ago
cannabis can take a high DLI even from a seedling. 40 is about average for what they get in a day. I'd say keep it aounrd 40, could always drop it down a bit if you notice signs of light stress then increase it again later when it bigger. The 5.5 PH is an issue, Its just to low. I would aim for anywhere between 6-6.5. this way if it swings outside of the desired PH range it has buffer room. Right now if it gets lower then 5.5 is really going to put a bummer on the roots. You can increase the PH of the water going into the plant by adding PH up. Potassium hydroxide. Or adding in more calcium or an alkalizing agent into the medium. My last grow in Peat moss and perlite had something wrong with it and it kept dropping in PH uncontrollably. I had to bump my waters PH upto aorund 9.0 for it to normalize. Something, most likely a bacteria was in the medium acidifying everything. Red stems can be a symptom of phosphorus deficiency. This is most likey caused by the PH being so low. http://www.plantsgalore.com/care/images/Nutrient-availability.jpg this chat can give you a bit of a visual of how available plant nutrients are in different PH ranges. Given that you are in a biobizz lght mix "peat based medium" and using Biobizz nutrients I would flush the medium with a high PH to normalize it and then issue a smaller feed after its drained and settled. Use a TDS/EC pen to confirm its concentration is not to high and that the PH is back within range. Given that the PH will most likey swing down again keep an eye on it and adjust as needed. This might be a weekly thing for this grow. Hopefully not. Congrats on nailing the VPD. You should also Calibrate your PH and EC pens to confirm your readings are accurate before proceeding with any troubleshooting. Best Of Luck!
Seedler
Seedlerstarted grow question a year ago
i still have deficiencies and it seems to worsen despite runoff being 6.5. purple stems, light green? yellow appearance slow growth, some leafs get purple, lower leafs get yellowish and die. what do you think how long could it take until they are healthy again?
Solved
Leaves. Color - Yellow
Leaves. Color - Mottling
Plant. Stem - Red or purple
like
Sciolistic_Steve
Sciolistic_Steveanswered grow question a year ago
could be genetic -- red strips in stems are sulfur deficiency realted. the purple in leaves is likely genetics or cold temperatures, likely at night. paling at bottom and moving up is N-deficiency. new growth having internveinal chlorosis could be too much p or k. but purple petioles can b related to low P. so, i'd wager you ar eout of balance on your feed. use a leaf chart. it's not 1:1 .. it is messy translating these things. several relativistic factors are relevant. Leaf chart / mulder's chart can help understand it. if ph is good, i'd rais your N portion of feed for sure. are you soilless? i never know what the biotab stuff is.. comes amended a abit? this is much easier in a soilless or hydro context, because we provide 100% of everything, so there's no guessing what is in the substrate when these thigns occur. you know what is in it. soilles 120-130 ish ppm N 50ish P 180-200 K 100+ Ca 50-80ish Mg 110 or ower for S this will be a good starting point, if soilless/hydro. it's more of a 7-8-15 or 8-8-15 weighted ratio of NPK. this mimics themost fertile soils in teh world, this is why reserached nutes have a similar ratio. (southern ag, jr peters, masterblend etc.. all have a 3 part system based on the same science) ... not some dope postulating in their small garden.
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