Hey growmies. I think i might have a slight nitrogen deficiency going on but i wanted to ask the community what they thought? And also suggestions as what to do. I’m growing in coco perlite using ro water. Vivosun base a and b nutes vivosun nutriboost rqs rhizoblend and gh calimagic. I don’t have anything that’s straight nitrogen but it was almost time to add the nutriboost and rhizoblend again. I did that, the rhizoblend has a good amount of nitrogen.
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Looks more like Mag.
Marty
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That’s actually what my first thought was especially since I’m using ro and i switched from spring water to ro about a week ago. I’m putting in cal mag with every watering so maybe just bump up ? I root drenched 1ml of cal mag in the ladies that were showing signs.
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I use 1 tsp per gallon cal mag with good led lights
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Okay i been using half teaspoon per gallon i have really high ppfd and good c02 going so i suppose the high light and c02 need more nutes. Thanks for the input.
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I’m currently running 1200 ppm of Crop Salts and am about to bump it up to around 1400/2.5 EC. Every girl is different. Been adding Epson salts too.
Marty
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Thank you yes totally i know my dosidos are perfectly happy with what I’m doing… while writing this I’m realizing all 3 that are having issues are wedding Cake… just shows how important genetics are imo
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Thank you all for help… i just want to say i think it’s really cool when you can see almost instant results from fixing a decicency like what must have been a mag def or iron either way they are looking very healthy now just one day after adding nutriboost and calmag… instantly gone
This last one was the worst and may need a bit extra guess if your growing wedding Cake add extra cal mag everyone. While it was not exclusively on the wedding cake it showed up first and most in the wedding Cake barely even showed on the dosidos. While the whole nyc sd plant turned slighlty yellowish almost gaundance… they are all looking very healthy now
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So just wanted to give another update they are looking healthy and completely healed ( except1). It was a mix of a magnesium and iron deficiency most definitely, possibly slight calcium also in some of the plants… after i gave them a root drench of cal mag and foliar spray it looked like it improved over 1 to 2 nights. I then added chelated iron in its next feed with a foliar spray of iron amd magnesium and the next morning (today) they look beautiful and it’s hard to tell which leaves were even affected on some of the plants. I do have 1 NYC SD that needs more cal mag still slight yellowish bottom leaves. (Could it just have grown with a cal def and that’s how it Is now??) I’m going to root drench and give it another folar spray on the next watering in a few days see how she does. It
The last pic is the NYC SD… any useful insight is always welcome thank you
Justin
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Cut that leaf off and take another picture. 
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