What is going on with these plants?!? Pics of problem

Can anyone enlighten me as to what's wrong with these plants? Started towards the bottom and worked its way up, nothing happening to the new growth (yet :sad:). They are 6 weeks old and I have fed them nutrients twice now starting a week and a half ago. pH seems fine, it seems like maybe nutrient deficiency but all my searching still hasnt given me any real answers. Anyone seen this before? The little brown spots always appear first...DSCN1296.jpg
 

BBYY

Well-Known Member
I would go with multiple deficiencies. N and Ma

How much and of what were you feeding them?
 
I've been feeding Technaflora nutes according to their 'recipe for success'. The ppm of the water has been about 1400 and the pH about 6 after adding nutrients. It's a crazy mixture from a few different bottles, but there is definitely N in most of them. What is Ma? I thought you might mean manganese but just saw that is Mn. There is manganese and magnesium in the BC Grow solution, and I haven't heard of other people having issues with these nutrients so I am wondering if maybe they just need more, or need it more often maybe? I water once every 3 or 4 days now, I let the pot dry out completely before watering again, should I increase how often I'm watering? I watered (for the second time with nutes) around when I posted this a few days ago, and just gave them a third round of nutes a minute ago, and they seem to have stayed the same, no further damage that I can tell. I was thinking I might have waited too long to give them nutes for the first time since it hasn't gotten any worse. I'm guessing they would bounce back if they had enough nutes from this point forward? The nutrient schedule says to add in a 'water, water, feed' cycle but I can't figure what would be wrong other than a nutrient deficiency so I haven't adhered to this schedule. Should I switch to this routine shortly if the problem doesn't get any worse? Sorry for all the questions but in the end I have a lot of money invested into this and just want some good nugget. To lose them now would just mean hundreds down the drain for seeds, electricity the past couple months, etc. so I'm trying to be vigilant... Thanks for your help!
 
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