Identifying deficiency

My guess that this is a nutrient deficiency? I top fed it with Down to Earth 4-4-4 a week prior with recharge. Could the nutrients still be breaking down?

That’s nutrient burn.

If growing indoors you would be well advised to acquire a digital PH and TDS meter and learn to use them. Not knowing anything about your grow it is basically impossible to diagnose an issue.

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My water ph is around 6.3 and I don’t have a meter for PPM. This was in a 3g Fox Farm HF soil transplanted to 5g with FF Ocean Forest 3 weeks ago. My avg temps in this tent is around 81-82F. The only thing I’ve been feeding is dry amendments. So how should I go about fixing the nute burn. Flushing?