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Day 21 new leaves look kinda pale and yellow, whyy...
Philindicusanswered grow question 5 years ago
# 1 issue with seedlings is keeping them too moist/wet notice the down turned leaves. Secondary issue is the red stems/yellow leaves looks a like a lack of nitrogen that can be caused by an over watering or soil that stays too wet for too long. This doesn't mean give them more nitrogen their roots can't absorb it because the soils too wet. Let them dry out a bit before the next watering. If they look like they have improved and there are no nutrients in the starter mix use 1/4 strength nutrients on them not drowning them with moisture.The soil looks like it has a lot of vermiculite in it which holds a lot of moisture pretty common in seed starter mix. . If/when you re-pot them be sure to add extra perlite to your mix to allow for more oxygen to reach the roots and allow for faster drainage. Hope this helps👍
MaryJaneUSAanswered grow question 5 years ago
Hi. Your medium looks very wet, make sure you have good drainage. I’d also check your ph to make sure they’re in the right area. Lastly, your cup is a bit too small for them. Remember, smaller the cup, smaller the plant. Cheers.
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mr_green_thumb_ottawaanswered grow question 5 years ago
if you transplant her then add seaweed extract it should be all good try brewing some special tea for them if you can
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OutForRealanswered grow question 5 years ago
Your plants are pale green because they seem to have a little Nitrogen deficiency and as your soil is in small cups their is is limited amount of nutrients straight in the soil , I think that a transplant in bigger pots with fresh new soil will bring the necessary nutrients. Your purple stem could be a cold temps issue if your temps are too low during night Time , could also be a early cal mag deficiency AND the last possibility is that your plants have that purple stem genetic trait like many sativas outside.
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