Starting to see an issue with one of my plants. Any ideas what the problem is?
Might want to give her some cal mag
Been adding calmag for a few weeks already
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- Indoor or outdoor? - size of grow?
- Otigin of seeds?
- Regular, feminized, or autoflower?
- Origin of water. PH, EC/TDS of source water?
- PH and TDS/EC of if mixed solution?
- Grow method? Soil, Soil-less, Coco, Hydro, Aquaponics. Please explain.
- Nutrients or fertilizer system used.
- What typr of lighting are you using? LED, HID (MH, CMH, HPS), or Fluorescents? Please elaborate.
- What are the temps in your growspce? Day / Night?
- What is the RH = relative humidity in your growspace? Day / Night?
- AC, Humidifier, De-humidifier?
- Do you have a Ventilation system? Size? 4", 6"?
- Co2 Yes / No?
- How long have you been growing?
- What budget have you set in order to grow successfully?
- If you grow hydro, then please explain your hydro method. DWC, R-DWC, Ebb and Flow, Or; Other? Other?
16b. Size and temperature of solution in reservoir?
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Indoor grow tent
Wedding cake autoflower from ILGM
Soil is miracle grow on this plant (2 others in fox farms soil not showing this issue)
Miracle grow veg and bloom nutrients
Tap water ph balanced to around 6.2
400 watt led full spectrum
Aroung 75 degrees on light cycle 65 degrees when lights are off (20 and 4 cycle)
Humidity around 45% day and 50% night using dehumidifier
6" ventilation system
2 mushroom bags used
My first grow
PH level could be lock out the nutrients. Do you have a tester? What are the PH levels? Water the plant with 10%-20% runoff slowly and test the PH and PPM levels.
I have a ph tester and shoot for around 6.2 to 6.3 ph.
Been about a week since i tested runoff but it was good then.
I would say either a magnesium def or a phosphorus def
Appreciate the tag @JackDale . Growing cannabis in MG is tricky due to the time released nutrients and no control over this and how much is released when watering. I would definitely recommend watering to liberal run off every time and testing the PPMs and ideal PH would be 6.5. Can you post some pics of the overall plant. @NUG61 is very successful using MG
I had a similar experience with StayGreen soil. I run about 20 gallons through the soil of a 5 gallon pot to pull the PH dowm in range.
@Ksmith1 agree with OG, bump ph up a bit and feed low ppm, around 800 - 850. MG soil has a lot of food in it so you are basically just supplementing it. It does hold the moisture, so you have ti let it dry a few days after watering to run off. I use a shop vac to pull the run off out of the tray and hold it to the hole on the bottom of the pot and pull some water out of the soil as well. Looks to me like a cal mag deficiency so keep using it, not necessarily up the dosage because it may just be getting locked out due to ph. I generally start my mixing with 300-400 ppm cal mag then add the remaing food to reach my target ppm. Then adjust ph. before addind to plant or reservoir. It can be tricky with MG, but definitely doable. Thanks for the tag @OGIncognito
Thanks for the vote of confidence @GreggT, i have successfully not killed one in MG so far…lol But i have switched to coco and perlite because of the guessing game with the soil.
I really like hydro at heart.
I use ME coco\perlite myself. Love it. The only thing is it needs fed every day, but not a problem. I am in there anyway. @NUG61
And why i went with the autopots… just fill the res. and let em eat.
Thank you to everyone for the responses…hopefully I’ll get it figured out.
I use Cultured Biologix nutrients and they are a dry nutrient. Needs to be mixed one by one and bubbled 15 minutes between each added. Its a pain but it is the best nutrients I have used. @NUG61
Slow small adjustments and wait for the plant to respond. Still a lot of growing time, but want it solved before to much more flowering. You will get it reeled in