What’s happened ? Lack of nutrients ?

[Ragamuffin]

Using viparspectre p2000’s . As you can see half of them have went yellow and crispy and are regrowing the original leaves down the bottom . The ones that are a week later are all yellow but the ones I started a week later are all green and look healthy

 

[oldfogey8]

You need to provide a lot more information.

 

[user 60570]

there is a solution to your plant problems