Leaves rounding? High RH

If it’s clean or not, if there’s anything built up on it then it won’t be able to read the pH correctly You may need to do a health check. Do you have the calibration/cleaning kit?

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No guess I will get one ordered. Should I trim lower area?

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If you can get a fan in there I wouldn’t worry about it. But for next time I would do it earlier in the grow do that things focus more on the upper half of the plant

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