Possible to get nutrient burn with a low ppm?

[DEEPDIVERDAVE]

Surrogate parent; or Tag Team

[5 weeks buds] [5 weeks] [Hanging] Learning experience.#5321 The current grow has Afghan Autos and HK Photos. Autos in 5-gal bags and photos in 3-gal Except one 5-gal bag has Two plants, grown together, One Auto and One Photo. [Opposites] [Opposites1] All the Autos are heavy into flowering (week 5) and the photos are still veg. Lights 17/7 and DLI above 60 Feed and Run-off goal has been 6.5/1000. Regardless, only the Autos look “used” or nutrient deficient. As in flowering used …

LSS, Flowering uses Nutes, heavily, and PH dependent, more so.
Link is to my first run of Autos. Similar issues showing.
Resolution, IMO,
PH /PPM/TDS calibrations.
flush,
measure,
and feed (or top dress).
What Nutes?
Re-read their instructions and confirm usage.
Love ladies and flowers. Congrats.

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DDDs Indoor Jan 2025 ILGM AFGHAN AUTO Seeds

The fall seed drop was ILGM Afghan Autos and Hindu Kush Photos. I am very impressed with the AAs and almost disappointed with the HK-Ps. The HKs are filling space but are not growing like the Autos (on steroids). 11 weeks and the AA are 6 weeks in flower. The HKs are veging. However, the soil is available to both and the differences are unbelievable. I am impressed with FFHF soil and my new current bag seedling crop. The KIS soil did Ok for the HK.s but “was burned out” or exhausted by t…