My weed plants truing brown

My weed plants are just 7 week old and turing brown on the leaves only the bottom ones im kinda new to this i am growing indoor any advice

Hello and good morning op..some grow parameters will help the forum help you.
FF

If that's 7 weeks I would chuck them and start over. A beginner should buy some Pro Mix and a flourescent shop light to get plants started. Then you will need more light when they get bigger.

70's natureboy said:

If that's 7 weeks I would chuck them and start over. A beginner should buy some Pro Mix and a flourescent shop light to get plants started. Then you will need more light when they get bigger.

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Holy shit...how tf did miss THAT...yes op toss and start again.
I apologize for my error.
FF

Probably over watered

Toss it. Start over.

They girls have been through a hard time i think its where the leaves have been toucjing the medium, but yeh toss them start again and rething your growing technique.

70's natureboy said:

If that's 7 weeks I would chuck them and start over. A beginner should buy some Pro Mix and a flourescent shop light to get plants started. Then you will need more light when they get bigger.

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I still have 1 plant that has not yet turned brown

eyeballsaul said:

They girls have been through a hard time i think its where the leaves have been toucjing the medium, but yeh toss them start again and rething your growing technique.

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I still have 1 that has yet to turn brown any advice on that

Its not just the clolour mate at 7 weeks they should be quite sizeable plants. At 7 weeks i would expect mines to be 2-3 feet.
What lights are you using?
Would you consider using a different medium?

I think your soil is causing major issues too. Get some good quality and well- drained soil like ProMix or similar (or mix your own using coco noir/sphagnum moss/perlite/mykes/worm castings) and start new seeds. They will be bigger than the current plants in a week or two.

Lots of research b4 popping again, learn plant requirements, environmental parameters, proper watering techniques, etc.
It will save you more wasted effort and expense.
Please, I mean no ill will.
Peace.
FF