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Plant Problems Pinapple express, G13 Haze and THC Bomb

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cdnmack

Member
Good day

Looking for some assistance on my plant problems. The plants have been veggin for 10 weeks now. I have been fertilizing once a week with Miracle grow 24-8-16. Just started using Dutch master Gold Liquid Light and saturator for the past 2 weeks applying it with a sprayer every 3 days. The grow room is 19 C and has a humidity of 35%. The grow room has a fan blowing in fresh air and a fan and carbon filter sucking the air out. I am you a BLU LED grow light it is 300 W with 5W leds. The 3 plant in the photos are as follows:
1. THC BOMB- Has a soil ph of 6.8 and is 15" high
2. Barneys Farm G13 Haze- Has a soil ph of 6 and is 23" high and has a distance from the light of 19"
3. Barneys Farm Pineapple Express- has a soil ph of 6.8 and is 28" tall and is 15" from the light

Any help on the photos would be much appreciated.

Thanks
Mack
 

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C

cdnmack

Member
The LED Lights do not produce very much heat compared to that of a HPS. But I will trying bumping up the temperature to 21 c to see if that will make a difference. As well i will see wht i can do to bring down the ph of the soil as well. Is the yellowing of the leaf and tips too much water or a Nitrogen deficiency on the pineapple express? What might cause the brown spots on the leaves?
 
HomeStoned

HomeStoned

Member
I currently have Barneys pineapple Chunk on, not the Auto Flower.
I'm having problems with this batch of 4, they've had 8 weeks of veg from seed under a 120w Prakasa LED Light.
in soil, temps light on 25-29*C, light off 18-20*C waiting on a Humidity gauge.
1st time with Pineapple Chunk, it sounds like a awesome smoke if it all turns out ok.

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cdnmack

Member
Got the temp up in the room and holding at 20 - 21 c, bought a moisture meter today and the soil reading came back as very wet, probably from when i flushed the plants as i thought i had over feed them and that was causing the leaves to turn yellow. I just checked the soil and have no bugs and looked at the leaves with to verify nothing was hiding there and everything comes up clean. Checked the roots and they are looking healthy, I Have the plants in 3 gallon pots. I am not sure what would cause the leaves to get the brown spots on them though as well as yellow. Any suggestions??
 
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cdnmack

Member
I am not sure of the height of your plants in the photo but you may want to try going to a larger pot 3-5 gallon. My Pineapple Chunks were looking like that because there was no room for the roots to grow. I switched to a 3 Gallon pot and they started to grow really well for 2-4 weeks. then i started to fertilize them once a week and now I am trying to figure out what the issues is with leaves turn yellow and starting to brown. I have not fertilized this week at all, trying to see if that does anything or not. I have also stopped watering to let the soil dry up a little and see if that cures the problem. Best of Luck in your grow and let me know how it turns out.
 
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