Northern lights yellow leaves

Please help! I have yellow leaves and brownish roots!! What does it mean? What do I do??

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Welcome to AG @Roy_W_Little

Sounds like it could be root rot.
Can you share a photo of how your plants and roots look like?
What is your water temp for the roots?
Are you using any microbes to protect your rootzone?

Here is some reading material on root rot, is this what you are seeing?

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I think it is root rot. I am going to grow another seed! Where do you get microbes?

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Hydroguard works really good. Most of us grobo users use it:

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