What may be the cause of this?

Roots are white/cream color. Ph is always between 5.8-6.0. I check it twice a day. Once in the morning when I fill my res with 5 gallons of ph water and before lights out. The ph is usually 5.8. I wil try to get a pic of the roots but they look fine to me. Nothing brown or smelly.


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Roots are white/cream color. Ph is always between 5.8-6.0. I check it twice a day. Once in the morning when I fill my res with 5 gallons of ph water and before lights out. The ph is usually 5.8. I wil try to get a pic of the roots but they look fine to me. Nothing brown or smelly.


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Try running a low dose of nutes for awhile.
 
I will try that. I'll assume I have to do it during lights out. But shouldn't I worry about molding if so? Since I'm so close to harvesting.


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