Do you think this is magnesium deficiency?

Thanks. I do thank you for trying to help with the plants. The biotabs are in coco. I have read that with coco you water more often than you do soil then the biotabs likely break down faster. I water every day. If it was in soil it would be what like every 3 days? I think the problem is the coco. I am planning to do it in soil in the future. The biotabs guide details that you can use boost items but I did not buy their pk boost item. I do a light feeding with the bactrex 1 time every 2 weeks and the recharge on the weeks that I do not do bactrex and then I do a light feeding with it. I have not used the coconut water yet. I am planning to add that in as a boost. I have read on many websites and forums that coconut water is a nice boost to add to the plants. The epsom was due to what looks like magnesium. I have removed some of the leaves from the plant. I think it looks like magnesium deficiency from having looked at the leaves from when it started to now. I posted the question to different people and most have said that it was magnesium. I will look into what you detailed about the recharge on there. I have read that microbes do not do very well in coco then I thought that adding the extra microbes in would help with that on there.
 
Thanks. I do thank you for trying to help with the plants. The biotabs are in coco. I have read that with coco you water more often than you do soil then the biotabs likely break down faster. I water every day. If it was in soil it would be what like every 3 days? I think the problem is the coco. I am planning to do it in soil in the future. The biotabs guide details that you can use boost items but I did not buy their pk boost item. I do a light feeding with the bactrex 1 time every 2 weeks and the recharge on the weeks that I do not do bactrex and then I do a light feeding with it. I have not used the coconut water yet. I am planning to add that in as a boost. I have read on many websites and forums that coconut water is a nice boost to add to the plants. The epsom was due to what looks like magnesium. I have removed some of the leaves from the plant. I think it looks like magnesium deficiency from having looked at the leaves from when it started to now. I posted the question to different people and most have said that it was magnesium. I will look into what you detailed about the recharge on there. I have read that microbes do not do very well in coco then I thought that adding the extra microbes in would help with that on there.
I totally understand. I was a new grower once too. I had all the same questions you have.. I know what you are going through. But I had to stop listening to "people" and listen to the "plant". People can be wrong.. The plant is never wrong. It's telling you exactly what the issue is. That why it's important to learn every symptom of every deficiency. Also keep in mind that you can have more than one symptom showing at once.. It's very easy to cause a lock out. I've posted this for you before, so take a look at what nutrients lock out others. See how easy it is to lock out several different things bt over feeding one nutrient?
tox-lockout.jpg
 
Thanks. I will look through that information. I think maybe with more watering the coco than soil that it may have released more of the biotabs that may have fed more than it needed though I started seeing the yellowing really early on before when I think the biotabs would have fed the plants on there. I think it was within the first 1-2 weeks that 1 plant had a little yellowing between the veins of the leaves and that looked like magnesium deficiency from the websites I read online for it on there. The biotabs take like 1-2 weeks from when you put them in the pot to start working from what I have read. I put the biotabs in the pot 1 week into the grow like the guide details then I followed the guide. The epsom salt was due to what looked like magnesium deficiency. The biotabs line that I have does not have a calmag type of thing and I had epsom salt and I read that is good for magnesium. I think the led and the coco would make the plant need more magnesium and that is what it looked like from the beginning weeks ago for it on there. I went very light with the epsom salt and it does not look like it has fixed the magnesium yet. It was recommended to me not to do biotabs in coco due to nutrient problems with organic dry amendments in coco though I had the coco on there and the guide detailed you can use coco. I have now read that even the biotabs people say that biotabs work better in soil and many websites online detailed problems with biotabs in coco. I tried it and now I am planning to do it in soil in the future. I really do not think the little coconut water I plan to use is going to be a problem. There are lots of people that I have read that added it to their watering to help the plants and it was a nice boost on there. I will read into the information you posted and I will see how things go with the plants. I really just want to get the plants through to harvest and I think the future grows in the soil would work better for it on there. I do thank you for trying to help with the plants on there.
 
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Think about how long plants survived without being fed coconut water. Why start now?

You've received some good advice so far, but again be cautious with silica as it raises pH. Try to take a huge step back from the problem and think about an answer from First Principles.
 
Thanks. I do thank the people trying to help with the plants. I am new to growing and made mistakes and I have learned from the mistakes on there. I have been reading pages and pages of people give really good reviews of adding coconut water to their organic grow. The plants made it a long time without things like kelp powder and molasses and aloe powder though a lot of people use it. I have read lots of great things for plants from people that use coconut water and I am planning to use it less often than many people do on the websites I read it on. If you look through the grow journals and posts on the website how often do you see a person only using the base nutrients in a nutrient line? In organic grows it looks like most people do add in things that boost it. I am planning to add a little coconut powder to water the plants 1 time per week with it. I read good reviews on it and wanted to try a little. I have read many biotabs grows that people add in way more extra items than I am. The silicium flash is a biotabs item that they detail to use if you have deficiencies in the plants on there. The biotabs use microbes and it details that you do not need to ph the water when you use biotabs though I do still ph the water to 5.8-6.2 on there. I think the main problem with this grow is doing it in coco. The biotabs guide may list you can use it in coco though I have read posts from biotabs people that mentioned it works better in soil. It was recommended to me by many people not to use organic dry amendments in coco though I had the coco to try and it did not work very easily. I think that the coco would be better for liquid nutrients. I am looking forward to the future grow when I use soil instead and I think with watering the plants less in soil that it may be a much easier grow. I think it would work for it in the future on there.
 
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From my assessment i believe what has happened is the adding the calcium and magnesium increased to a level that made them bind to the sulfur creating calcium sulfate and or magnesium sulfate, hence the sulfur deficiency. Thats all i got

Happy grow and Happy harvest :toke:
 
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