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Leaf discoloration and curling

Jake13255
Jake13255started grow question 4 years ago
I’m not sure what’s wrong but all my other plants are fine. It’s in pearlite and peat moss and I’ve been watering with ph balanced water. I did use a very little bit of half strength dyna grow but I only did a little squirt.
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Week 3
Leaves. Curl up
Leaves. Color - Yellow
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Roberts
Robertsanswered grow question 4 years ago
If curling up and getting dry it is nute burn. Make sure you are getting run off each feed about 20 percent of what you put in. If not you may have build up from salts causing burn and causing your ph to spike down,thus causing nute lock out . Also test ph of run off to be sure.
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Stonerd
Stonerdanswered grow question 4 years ago
I actually believe nutrients are not the issue here, but the light schedule and climate! 24/7 light on your plants may sound great but in reality it reduces yield and may even kill your plant before you get to harvest! Plants use the night time to burn energy (sugars and proteins) made by Photosynthesis and stored in the leaves to grow. The climate problem is the temperature in your grow space, 17-18 degrees Celsius might be manageable during late flowering but in vegetative growth the plant needs a temperature range of at least 22-28 degrees Celsius (28 being the max unless you use supplemental Co2). Humidity levels seems fine and as mentioned before me here keep your fertilizing solution at 1/4 strength at this point of growth and slowly increase as the plant grows, never go with recommended amounts straight away because it causes toxicities pretty easily! Hope this helps! Good luck and happy growing :)
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Jake13255
Jake13255answered grow question 4 years ago
I only fed them like a very little squirt one time and not again since. It’s been watered a few times since feeding.
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