General Problems
HELP! Whats wrong with my Plant?
To assist the cannabis community in providing you with an accurate diagnosis, help and advice please answer as many of the the questions below as possible including a description of the problem/s and how long the cannabis plant has been suffering along with any good clear photos when available.
Indoor/Outdoor:
Growing Medium:
Growing Style:
Watering/Feeding Frequency:
Nutrient Strength (PPM/EC):
PH Levels:
Temperature/Humidity Levels:
Air Flow/Fans etc.:
Lighting Type (CFL/HPS/MH etc.):
Total Wattage:
Growth Stage:
Plants Age:
Cannabis Strain:
1,390 topics in this forum
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- 420 Crew
- 21 replies
- 2.3k views
OK , the cold weather is upon us again and I am having the same problems , stunted growth due to cold perlite . The solution is usually to move my grow into the house where it is warmer and space is smaller . BUT , I want to keep my bigger space in the shed outback , so , lets hear your ideas . I am currently growing using large pots with Perlite sitting in Kitty Litter trays ,, water when they seem a bit drier . The air temp is about 25C , perlite temp about 17 C . So , what other cheap methods would be good to keep the temps up a bit ? Heat mats , Flood and Drain , DWC ????? I dont like flood and drain as it wastes so much nutes . Toss ya ideas at me plea…
Last reply by lightning, -
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- 10 replies
- 1.6k views
I have a problem with my jack herer and Euforia both are turning a pale green colour and curling under slightly, my room temps and humidity are near on perfect during lights on and off, all my nutes are mixed to a 2.0 EC as reconmended by lable for grow 20ml A and B per 5 litres i have recently smashed my digital PH tester i have another one on the way, would this be my problems to high or to low PH?. i also am running one 600hps light with two UFO LED lights i wouldnt think it was over lighting, as the plants were fine the first three weeks. altho i did lower the lights to 2 feet above tallest plant
Last reply by living_high, -
- 5 replies
- 874 views
help my light timer stuffed up and came on for 1 hour while plants were sleeping there 2 weeks from harvest very worried what will happen what to do
Last reply by uka, -
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- 420 Crew
- 14 replies
- 1.5k views
Hi everyone, I have a few Critical Mass plants on the go, trouble is they just aren't growing very well. The clones are nearing 7 weeks of vege and are only 10-15cm tall, with strange leaf deformations, and dying back starting at the base. I'm really pissed cause that's a lot of juice being used for nearly no results. My mate has the same strain at the same age and they are over two feet tall. It was suggested to me that it could be root rot? The roots I can see near the top are an off white with some brown but I think that's some staining from the clay...??? They get the best of everything - new bulbs, rhizo, cannazym, nitrozym, sensi a+b, superthrive etc and…
Last reply by aberton24, -
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- 2 replies
- 656 views
a mate asked me to look at his potplant and it's well into flower but looks to need a little longer. Sydney's been so damp lately he's got fungus through the buds. I just looked at the BOM though and it appears we are in for a sunny week. If he leaves it alone and it remains sunny will the rot just die, or now that it's got a hold will it just worsen? Seems a shame to pull it early.
Last reply by BaronS, -
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- 420 Crew
- 11 replies
- 5.4k views
Ive decided to go automated and in the past I never mixed up more than 5ltrs at a time so only worried about PH. However, Ive bought a 100ltr resi for my new room so Im guna need to be abit more involved. Ive seen most people giving PPM values but most nutrients give EC. so what sort of meter is best for what i need to do?
Last reply by SoliSticS, -
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- 8 replies
- 1.2k views
Hi Guys, In the last few weeks of constant rainfall here on the north coast I have noticed the humidty in my grow room climb from 60% to 80% and now I am starting to get mould in my grow room in the walls. I am saving up madly for a new centrifugal fan in the hope that better air flow will sort out the problem and I have a pedestal fan blowing over my plants at the moment but I cant seem to reduce the humidty ....have also decreased the watering schedule as well down to a bare minimum. Does anyone know any good methods to reduce humidity? maybe some of our friends up north in tropical Queensland or NT? I have heard that if you put a bowl of baking soda on the ground i…
Last reply by mark60, -
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- 420 Crew
- 9 replies
- 933 views
Hi Guys started growing from seed. drip irrigation. 1 x 15min (approx 1 drop per sec) Plants have been doing fine. just about week 4 from seed. Few days ago moved the plant under a 600w hps from fluro. few days later now plants look are bottom set are drooping almost touching the hydroton. top seems ok. Natrally most would say overwatered. but it doesnt get that much and its in rockwool which is in hydroton. any ideas peeps? also EC increased overnite from 1 to 1.2 so i added some water to bring it back down. doing a full res change this weekend. could that have caused it?
Last reply by hicksy, -
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help please 1 2
by vivaaa- 11 replies
- 1.1k views
this is my first grow so im really unsure of what to expect, im growing in a 1.4mx1.4mx2m mylar tent using a 600w hps my grow medium is 60/40 coco/perlite using half nutes at this stage as for ventilation i have 1 in 1 out both are 150mm ezi-fans. I set my tent up sunday and moved 4 seedlings into my tent, after about 3 days my first plant started to yellow and wilt on the under leaves, after searching around the forum ive just come to assume that its normal for them to shrivel. my second plant however is begining to yellow at the top of the plant here are some pics.. im not certain but from what ive read i think i may have over watered it? anyway any help would b…
Last reply by need4weed3, -
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- 420 Crew
- 4 replies
- 934 views
Hi, i was wondering if anyone could help me out. I started growing a plant a several months ago and it was my first time, i learned a lot of beginner lessons. I am now growing a second plant, this second plant looked interesting from the day it peaked out of the soil, the stem was purple and even now some over the leaves have a purplish color on the bottom. The plant has been growing incredibly quick, compared to it's sister. Now the problem is, it is a month old and contains 40 leaves, all of which are singles... not a single one has 3,5,7 or even 9.... people have been telling me it is because i am not giving it enough light but the leaves are a healthy green and se…
Last reply by Jedi Hippie, -
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Hi Guys, Anyone who has been watching the news will know that we have been having some crazy wind and rain up around Lismore and Byron Bay and unfortunately my place has been in a power blackout for the last 24 hours IS there anything I can do? the plants are only a week into flower so I am not sure how serious the problem is.
Last reply by DarkSpark, -
- 7 replies
- 868 views
Hey guys, I've just started growing, and have run into a bit of trouble! I had these plants sitting in a pot outside since about December, they were fine. Last week I knocked up a grow box in an old freezer, and stuck the plants under a 250W HPS inside. See here for what I have built.. maybe you can see some problems with my box? The plants were already flowering while outside, although they hadn't grown or changed much for a few weeks. I have since put them under 24 hours of light, could this be the issue? Temps have been between 25-30 degrees inside, i think this is okay? I am watering the plants whenever they look a bit dry, usually twice a day, until i see a…
Last reply by Ex., -
High guy, despite having a odor sock my plants are getting very stinky, I am trying to upgrade my fan right now but in the meantime I want to buy a ionizer to reduce smell, does anyone know where I can purchase one?
Last reply by calaman, -
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- 420 Crew
- 6 replies
- 774 views
check it out fellas. What do you think? I ahvent even tried to suss it yet, thought i'd post it here for some second opinions. 3 days into final flush, probably 5 - 7days from harvest and this shows up. initially thought it may have been burn from when i misted 15mins before lights out a week ago but now i dont think so anyway, your thoughts?
Last reply by nitram, -
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- 420 Crew
- 14 replies
- 1.4k views
Ok so here is my problem. This is my first time using a flood drain system. I have a 4’ X3’ with an 80L reservoir. I transplanted my seedlings out of my seedling tray two weeks ago. I put them into 4” Rockwool cubes flushed with a water ph of 6.5 I added 600 PPM on nutes. (Flora Nova) The next day after first feeding the leaves curled up and started pointing down. I thought I had a nute problem so I cut the nutes back to 300 PPM and other than the leave tips pointing down a little the plants seemed to perk right back up. Even my sick plant was doing much better. Now yesterday I flushed the table and changed the solution out I added 300 PPM of nova flora to the solution. A…
Last reply by nobodyknew, -