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:
1,383 topics in this forum
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- 420 Crew
- 7 replies
- 1.6k views
My plant was displaying a bit of leaf curl a couple of days ago, and some reading up one the matter seemed to indicate it could possibly be due to a ph problem. I flushed the plant with a few litres of water and left it for a few days then gave it a feed. Now, not only are some of my leaves still curly/claw shaped but i've got these brown rush covered spots that are affecting and killing a lot of my leaves I ph'd the flush water to ~6.5 and my run off from the feed was around 6, (feed was adjusted to 6.5) I'm not sure what exactly i've done wrong, and what i can possibly do to rectify the situation. The rust spots are spreading fast though and my plant is starting to…
Last reply by WantDaChronic, -
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- 420 Crew
- 12 replies
- 1.5k views
Hi everyone, Before I begin my setup consist of 600W HPS Phat Filter 150MM 280Ltr/ps intake Pearlie medium Sensi Bloom A + B, Carboload, Bigbud 15Minutes every 2 hours water cycle I dont have a Ph metre so I don't know the Ph Because I measure with a Truncheon CF = 22 - 24 ppm (EC x 700) = 1550 water temp = 24c Light on temp = 85f Light off = 70? As you can see in the pics the tips are curling big time in fact they have been for about 5 weeks!! I tried Epsom salts because I thought it was Magnesium, and I bought a water heater because I also thought it was the cold temperature (winter). I've flushed her a few times. And foliar sprayed as well I'm lost for answ…
Last reply by mull, -
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- 420 Crew
- 9 replies
- 1k views
My plant has been flowering for about 3 weeks now and has almost doubled in size - not a good thing, considering my limited grow space. I've got some 'bonza bud' growth regulator which i know can limit plant growth, but i'm not sure whether i can use it at this stage of the grow cycle. (it came without instructons). Anyone used it and can let me know if it's a good idea? Cheers.
Last reply by bufo marinus, -
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- 420 Crew
- 10 replies
- 1.6k views
Hi All, This is my first grow and I am a little stumped as to what is wrong. First things first the setup: 1m x 1m x 2m grow tent 400w HPS lowbay 900mm x 900mm tray clay ball and rockwool cube media (40mm x 40mm for seeds then into 10cm finally buried in the clay balls) NF elements A & B nutrient NF Cargo Boost additive X10 Boost additive 1200L/hr water pump 2 x air stones 150mm inline extraction Watering - 5 min flood 4 x per day recirculating (drains back to storage tank) 45L tub holding 30L of nutrient @ approx 18 -19 C Air temp Max 32C min 15.5C Humidity Max 60% - Min 20% Light time 18/6 PH sits arround 5.8 - 6.0 OK so first appologies for the photos as th…
Last reply by majikalex32, -
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- 420 Crew
- 3 replies
- 789 views
i had this sk 1 vegging for 5 weeks or so, started getting purple branches etc, so i decided 2 trim the roots and prune it and re pot to keep it smaller for a mum. Heres some pics root pics included, looks like it needs K or flower nutes? Im getting good at killing plants im so bad.
Last reply by WantDaChronic, -
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- 420 Crew
- 4 replies
- 815 views
Hi guys, hows things? I need a little help/advice on my clones. I've been using the same strains ( heavy duty fruity, columbian gold) for the last 4 years, with a 90-100 % success rate. However out of my last 2 batch of clones, 50 % died and the survivors are showing hardly any growth at all, theyre very stunted and sickly looking. I've explored the possibility of nute burn and took preventative measures (flushing, 1/4 strength feeds) with no improvement, and things are almost at a stand still. also last crop I had half of my grow cupboard produce beautiful mature plants while the other half died, even though both tubs were subject to exactly the same conditions in the sa…
Last reply by kat, -
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- 7 replies
- 1.2k views
this clone just put in pot and now the fan leave is yellowing with some burnt edges and curling up pics 2 follow.... getting light nutes 1.3 EC ph is about 6.2.......it started getting like this before potting its in perlite now. Dont seem 2 see any insects but i sprayed with eco oil anyway just in case.
Last reply by mrsmokey1, -
Prevention 1 2
by Tom- 18 replies
- 5.9k views
Prevention is much better and easier than cure. When I finish a crop I always strip and clean my grow room before starting my next crop. The pots soak for 24 hours and are cleaned in a tub filled with water and dish washing liquid, after this they are then soaked for at least another 24 hours in a bleach solution to sterilise them. While this is happening the grow room is going through any maintenance or upgrades and a thorough clean and sterilisation. I also keep a Sureguard Ministrip in the grow room, this wipes out any bugs before they get a chance to set up home and invite all their friends and relatives over to stay. It's a long time since I had a bug in my gro…
Last reply by Roadblock, -
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- 420 Crew
- 8 replies
- 1.6k views
I'm a newbie on trying to grow my plants and possibly selected more difficult seeds to start from: Blueberries. Conditions: The plants are grown in green house. It's supposed to be high summer here (66th latitude north) but for the last week temperatures have been hovering at bearly 10 degrees Celcius. Inside the green house however it's been rather constant 16 degrees even during this cold period. Fertilising: For fertilising I've used chicken manure pellets. Water here is without any lime and I did not add any wood ash or dolimite lime. Plants have been growing for two months without any problems. Until last week when brown leaf tips started appearing wit…
Last reply by TRA, -
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- 2 replies
- 616 views
OK, so first thanks to all i met yesterday and for the advice and help. As requested here is some pis of my ( sickly ) plants. So here the run down. 1.4, 1.4, 2 Meter grow tent. 400 watt mh 250mm centifugal fan 250mm odour sock. 1.2, 1.2 flood and drain tray. Temp 20-24oC ph: 5.5-5.9 At the moment intake is passive but when i switch to flower i have a 150mm inline fan and duct to bring fresh air in and keep temps in check. Ok so these were started in rockwool about 4 weeks ago. All sprouted after about 3 days and there is 6 in total. I got ahead of my self when all the gear arrived and planted them in there final home ( too early i know ), Silly me then gave them a qu…
Last reply by biggerbuds, -
- 7 replies
- 934 views
Got a prob. I think conditions are a little to perfect for growing in my new room. I have vegged for 3 weeks and have flowered for a month and a half. my girls have hit 7 foot in most parts of the room. Buds are forming but there may still be a bit more growing to go. How can i stunt it quick? there are six plants in the this room, All are over 6 foot some places 7 foot and over.running out of room. Sorry, Run out of room.
Last reply by biggerbuds, -
MOLD! =( 1 2
by llama farmer-
- 420 Crew
- 11 replies
- 2.8k views
In the space of about 24 hours my winter plant (2 of 2) started to go really sour... I assume its mold. Upon noticing how wide spread it was I harvested, a few days earlier than planned, and have hung to dry in a separate room than my other plant in case of spreading. Pictures...
Last reply by biggerbuds, -
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- 8 replies
- 1.4k views
Hi everyone, Last Tuesday I picked up a Super Skunk x Blueberry clone. (or that was what I was told and believed it Any way After a few days she has started to get light brown/yellow curled edges and the lower leafs has started to look terrible. I'm sure the nutes are right,, I think . However,, the instructions labeled on the "Advanced Nutients- Sensi Grow" state I add 1.8Ml per litre (600PPM) When I follow their instructions it adds up to about 800 to 10000! ppm (0.7) I've limited it to about 1ml to achieve 600-800ppm is this too high still for the little babies? should I drop it down more? I have no idea what I'm doing wrong to her. I have attached a couple…
Last reply by biggerbuds, -
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- 420 Crew
- 10 replies
- 1.4k views
Hey all, My plants not looking as healthy as she was a week or so ago, the older leaves are yellowing and its only really the growing tips and small leaves that r green. Theres also some brown / black spots appearing in the middle of some of the leaves. The plants red devil and its nearly 2 months. This is my first grow and im not to sure whats going wrong, im feeding it usually every arvo when the soil appears dry and im using fish emultion and seaweed extract with my watering every 3rd day. Any help and suggestions would be great - thanks
Last reply by raisecain, -
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- 0 replies
- 796 views
Well, as some of you know by now, I have been dealing with fungus gnats over the past few days. Yesterday I treated with a pyrethrum drench. Prior to that the plants had been given three drenches with a garlic basil and tobacco brew. Today I poked my head in to see how my victims, I mean patients are doing. First thing I noticed when I open the door was that some, not all, of the leaves seemed to be kind of wilted. Having a closer look, it was obvious that it wasn't wilt, but the leave had curled down. It hasn't affected them all too badly, it's more obvious on my two bigger plants, B2 and WW2. I also noticed a wee bit of clorosis on the tips of some leaves an…
Last reply by Rose Gardener,