Too much or too little nutes?

Cdr2

New Member
Hey guys, growing 3 plants in coco and just having some issues finding the right balance on nutes I think. Watering every 2-3 days with 2ml/l of the advanced nutes 3 stage. I also was adding calmag every watering which Is what I think my problem was. Yesterday I flushed with normal Ph 6 water, no nutes. I am thinking to stop the calmag now and continue with a weak solution of the 3 stage

Any help is appreciated thanks!!
 

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ChiefRunningPhist

Well-Known Member
Hey guys, growing 3 plants in coco and just having some issues finding the right balance on nutes I think. Watering every 2-3 days with 2ml/l of the advanced nutes 3 stage. I also was adding calmag every watering which Is what I think my problem was. Yesterday I flushed with normal Ph 6 water, no nutes. I am thinking to stop the calmag now and continue with a weak solution of the 3 stage

Any help is appreciated thanks!!
It looks like too much Ca-Mg is locking out K. (Tap water has Ca in it already, I don't know if you're using but thought I'd say that) Id pop a new bean in a different cup now, and that way if you don't bring it back you'll still be ready to go with another one.

I'd re-pot and try adding some additional K, no Ca-Mg. Thats just my $0.02, good luck whatever you decide to do.
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Here's a link I grabbed quick about K deficiency..
https://www.google.com/amp/s/www.growweedeasy.com/potassium-deficiency-cannabis?amp
 

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CannaCountry

Well-Known Member
Your first misstep; " I flushed with normal Ph 6 water, no nutes" You're not helping your girls by doing this. If you're running coco, you should always have some sort of feed % in your water, even if you insist on doing a 'flush'. Plain water is a no no in coco.

I have found the best success with coco, by matching my plants to my pots. In this case, coco plants don't need to be in giant pots. The coco is more a connector for your feed to the plant and it supports the roots...the coco by itself is not feeding your plants, like soil would; you're the one feeding the plants, so huge pots of coco are not necessary and make the balance between feeding and plant a bit more challenging.

What is your feed pH going in? Aside from your 'flush' have you been using plain water at all? Do you know how much Ca and Mg is in your feed, before adding the CalMag? These are all things I would look at carefully.

In my opinion, your flush didn't help and if you've been using plain water along the way, it's not helping. Secondly you're going to have to balance your moisture levels with your plants and feed schedule. Thirdly, your plants appear short on Mg, so instead of adding more CalMag, I would simply foliar spray them with some Epsom salt. If they green up, and they most likely will, you'll know what direction to head in. Good luck.
 

Lethidox

Well-Known Member
what kind of water are you using? i don't run cal mag and i use rain water/tap no issues compared to what your dealing with.

as for coco you want to feed every watering if i am not mistaken. My 2 cents is the same as what has been said; your probably locking out other nutrients by feeding cal mag too often. what i have read is unless your using RO water you dont need cal mag. lots of people you see using cal mag use RO water i have not seen any growers who use say tap water like i do or rain water and run cal mag supplements as well ontop of that. im only 3 grows in but none of my grows have i used cal mag and i haven't had any plants look like what yours look like. i've had my fair share of mistakes in other areas like heat issues, over feeding, over watering but never nutrient lock out via cal mag. i've gotten nutrient lock out via nitrogen toxicity as i used to pump the my plants with a shit load of nitrogen and i still do but not so much anymore to the point they get a nutrient lockout.
 
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