These are some Auto’s I’ve been growing. They are starting to show signs of flowering. I’m not the best at diagnosing nutrient issues. From what I can come up with reading online it can be a Nitrogen or Sulfur issue. Or maybe something else. As always thank you for the help!
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What are you using for growing medium? Are you feeding? If so with what?
Looks like some Nitrogen and Cal-Mag deficiency. When they transfer to flower the get hungery.
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What medium are you using, are you feeding nutrients if so what’s the input PPMs and PH as well as the run off of these? She definitely looks hungry 
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@Amateur-Grower if you can give them some epsom salt and water plain Epsom salt no dyes or fragrances teaspoon to a gallon should help her out that’s my opinion if you can fill out the form that @beachglass shared and get ya better answers happy growing 
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Appreciate everyone’s help! Sorry for the lack of info.
Strain - Northen Lights and Gelato Auto’s
Seed Bank - N/A
Method - Soil
PH - 6.5
PPM - N/A
Indoor
Light - HLG
Temps - Around 80 F
Humidity - Around 40%
Ventilation - Yes
De-humidifer and Heater - Yes
Co2 - No
Nutrients using - Fox Farm Grow Big and Big Bloom
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The soil i am using is a mix of Pro MIx - Peat Moss - Vermiculate - Gypsum - Dolomite Lime
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Any time I’ve grew in promix I ph at 5.8, i didn’t add anything other then extra perlite though.
But you could try and increase the Grow big strength some.
How often do you feed them?
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It depends how fast the soil dries, but it’s always feed, water, feed, etc. I’ve been watering till I see run off then stop. Some times it takes a very long time for the soil to be dry and by dry I go by lifting the pot itself to see how heavy it is as well as using a water meter stick. For the stick I usually wait till it goes into red. It’s usually a little below 4 before I water.
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are you testing the PH and PPMs in the run off? These numbers will let you know how much nutrients and what PH to mix the next feeding at
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So I’m having a problem with my new growth, the tips are burned and curled. It’s only on the newer leaves and what I’ve read says that nute burn usually shows on all leaves. Could it be light stress? My lights are at about 18”. I just saw the first pistils today so maybe cal/mag? Please any advice would be appreciated.
She is a Northern Big Bud Auto.
5 weeks old
The only amendments put into the pot since germination are worm castings, 4-4-4 and compost tea.
