Ph level fluctuation?

I’m not really a hydro guy but I’ve read that a ppm of over 600 helps with ph levels.

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This is completely normal and will happen every time you mix nutrients with water. @Gman753

Typically, after 24 hours the pH should stabilize at the pH you set it to. Example: I add nutrients and water, then pH the solution to 5.8. The next day I check my reservoir and almost always need to adjust the pH.

The nutrients are constantly being absorbed, and broken down in the water, causing the pH to fluctuate. This is all a part of the hydroponic process.