Zkittles Auto Question

These are two Zkittles Autos at about 8.5 wks. Germinated together, grown together, same nutes, same lights, same everything. One a rich deep green from top to bottom, one losing chlorophyl. Any suggestions? Thank you.

Your pictures are upside down… what’s your PH, looks like lockout

thanks very much BigiIch. I tried to correct the photo, but gave up. The Ph is 7.0, but I’m not sure I trust the instrument. But I flushed the plants in any case to make sure. Thanks again for responding.

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@JS1 if you can try to get your pH down to 6.5 that should help a little

Thank you! I’ve ordered a better instrument and Ph + and -. Hopefully this will take care of it–