Don’t know what to do plants are dying ? Don’t...

That isn't enough water.The pots need soaking.The bigger ones can use 2litres every 2-3 days.You're better off googling "the basics of growing cannabis".

Very leggy plant, what kind of light source are you using. It doesn’t seem to be enough. The yellowing of the leaves is a deficiency, what nutrients are you using. How are watering and checking your PH. All these are basic information things that need to be known for an informative answer, otherwise it’s perceived guess.

Give it potassium and more water. Looks dry af

Going off all the questions you have asked id say she's hungry.. no diary= impossible to give accurate advice

No diary, one crappy picture.............impossible to answer accurately. Could be many things, but without knowing what you might be or might not be doing................impossible to offer helpful advice.

Looks a bit like potassium but hard to tell with no diary. https://420life.com/wp-content/uploads/2021/10/Marijuana-Leaf-Deficiency-Chart-scaled.jpg This chart can help identify some issues. Now if the issures are being caused by a deffencity or PH or Lockout issue is another thing. Need to look into a bit more.

Are you overwatering?