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MG#1 [Mephisto, AUTO]

137
2 years ago
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Mephisto Genetics - [Forgotten Looks x Forum Stomper] x [Forum Stomper x SamSquatch]
Indoor
Room Type
LST
weeks 4-8
Soil
Grow medium
Worm Castings
Grow medium
Other
Grow medium
Grow Conditions
Week 4
Vegetation
18 hrs
Light Schedule
28
°C
°F
Day Air Temperature
9+ conditions after
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Grow Technique Usage
LST
Technique
Commented by
Hongo Hongo
2 years ago
24-JUL It's good to be back! Doused each pot heavily and filled their basins 25-JUL 1531 73F, 62% First attempt at LST with wires. These are hard to use, I need to get thicker, rubber coated ones. 1 wire per plant, to main stem 2230 Wow I'm an idiot. I had the rubber cap on the AC Infinity probe. IDIOT! I set up parameters for the fan and have disconnected the A/C for now. Redid and tightened some of the LST wires. 26-JUL 1800 Some fixing of the AC Infinity probe, I see Temp and RH fluctuate between 75F/63% and 68F/45%. Can't stabilize very easily with direct A/C. Gonna try cooling the room instead. Removed A/C entirely and left output hose in room, drawing curtain. Chanted pot layout to accommodate a dehumidifier Lowered fans and turned light setup 90degrees to better cover pots. 27-JUL 0700 Turned off A/C completed and removed venting from tent. Going to use ambient weather and dehumidifier once that arrives, if needed 1015 76F, 52% 1345 76F, 53% Made 8 gallons of ph 6.5-7 water Lightly watered only the top later of each pot 1620 81F, 47% Redid LST with thicker wire Trimmed off cotyledon leaves still present Replaced yellow sticky tape traps Raised light wattage to 400W (max) and set to be 24" from highest canopy 1730 80-82F alarm is going off. Increased fans to max setting, routed A/C back in, ugh. 2200 Took A/C out. I don't want to keep using this. 28-JUL 0830 Average temp from 2200 to 0830: 76.3, max 82.6 Average RH from 2200 to 0830: 48.8%, 58%-38% range Unzipped tent partially. Watered the base dish. Soil was moist 0.5" under top layer. 0930 77F, 45% Added another fan, hooked up A/C, closed tent and added humidifier! 2200 Turned light down to 60% for tomorrow and raised by 8". Leaves look damaged! 29-JUL 2155 Watered 2300 Overall, today was much better for getting to and maintaining target VPD values Early Veg: 0.4-0.8 kPa Late Veg / Early Flower: 0.8 - 1.2 Mid/late Flower: 1.2-1.60 0.4>DANGER>1.6
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Grow Questions
Hongo
Hongostarted grow question 2 years ago
Please look at the leaves shown, orange and dried parts. I asked a similar question earlier but these look more damaged and I'm wondering if it's worsened due to my setup. Wind damage from fans? Water damage from humidifier? Light or heat damage? Managing VPD is tough. Thanks!
Solved
Leaves. Color - Mottling
Setup. Strain - Autoflowering
Setup. Ventilation
1 like
GrowingGrannie
GrowingGrannieanswered grow question 2 years ago
I'm going to disagree with my growmie here - simply because phosphorus deficiencies start on the oldest leaves and move upward - and I don't think this is the way it's progressed on your plant? I saw your question a couple of days ago and I honestly did not see anything wrong... but NOW, with THESE photos, I can clearly see that there IS an issue. First, let me tell what it's NOT... it's NOT wind damage or water damage or light or heat damage... but I'm not sure it's got something to do with your nutes, either. I'm wondering if it's some kind of fungus... so I'm going to ask - if you rub those spots, does it smear or come off on your finger? Or is it dry/brittle to the touch? If it smears or comes off on your fingers, it's going to be a fungus... if it's dry or brittle at all, it will indeed be a nute problem and probably a calcium/magnesium deficiency although that would show a yellowing to the leaves as well. A fungus will be the worst diagnosis... it comes from humid conditions and can only be solved by using a fungicide... in the case of SOME fungi, you would probably have to pitch the plant and thoroughly clean the entire tent but you should do research to try to identify exactly WHAT fungus it is..... I literally have no idea. If it is a calcium/magnesium issue, just adding cal/mag to your nute program should help if you're not already supplying it. Good luck... and don't hesitate to come back if you try something and it STILL doesn't work... we're here to try our best to help!
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