What exactly is this?

What exacly is this? My ppm readings are are in range of 400-600 when i flushed this plant and ph is around 8? Is it ph or nutrient burn?

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Need pictures to help…


Hey @pabloescobarforever need some information but potential hydrogen of 8 is too alkaline.
Shoot for a ph between 6 - 6.5

What was the source, ppm and ph of your water before before flush?

What type of medium are your plants in? Soil, coco, water, etc.,

What is your room temperature and humidity?

What stage/week is your plant in?

Can you upload pictures?

Here’s a diy diagnostic and some ph guidelines for soil and hydroponic growing.