My plant is sick, how to save it ?!

Dear Stoners, Farmers and most importantly EXPERTS,

I've posted a thread before about noticing my leafs turning yellow, People helped me and i really appreciate it. Those little babies needed food and light, and i provided them with every element, daily.

Now what seems the problem ? Leafs are turning yellow and brown, and it seems like a very big problem, a friend told me that insects are feeding on them, if it is true, what is the cure ? how do i kick those parasites ? and bring those little babies healthy and wealthy ?

This is my first time, i havent planted anything in my whole life, i would really appreciate it.

There are some images of what's happening.



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a little more info would help:

temperatures, frequency of watering, soil type, how often they are fed and with what ferts, lighting and how close/far from the plants, humidity throughout the day,. Anything else that may be pertinant.

ofhand, just looking at the pictures, I would be inclined to say they are being over watered, and or overfed. The purpeling could be from too low of temperatures.

Plants at that young age should not need any more fertilizer than what it gets from the soil. ( what soil are you using?)
Watering ONLY when the soil is dry, ( you can check by hefting the pot and checking if it weighs about what unwatered soil would feel like, that is it should feel light) better yet, don't water until the plants start to droop.

what is the ph of the water you are using? Are you using well or filtered water or chlorinated tap water?

The most common mistakes made by new growers are :
1) OVERWATERING
2) OVERFEEDING


WITHOUT THE AFFORMENTIONED INFO, A REAL DIAGNOSIS IS NEXT TO IMPOSSIBLE

also it looks like you might be overcrowding the babbys id have them in enuf dirt for a dixi cup per seedling but when they get bigger you might wana separate them any way

what does your ph be.

Did you manage to save the plant? I have similar problems...

You have to be careful about it. Give it food and water properly. Sun light is most essential for it.