Calcium deficency but not resolving

Skipipi · Mar 10, 2022

Got these plants growing with 1,5ml ghe gro, 1ml micro and 0,7ml of Bloom per liter, 4/5 days ago i noticed some calcium deficency so i bought some calmag by advanced nutrients, added 1ml per liter but the Cooper spots are still expanding what can i do?

Skipipi · Mar 10, 2022

I am watering the cocco ones with 5.8 pH and the dwc are at 5.8 ph

ANC · Mar 10, 2022

young plants in hydro can be full of shit, they harden off over time as long as you don;t get things too wrong.

Skipipi · Mar 10, 2022

ANC said:
young plants in hydro can be full of shit, they harden off over time as long as you don;t get things too wrong.

So what should i do?

Skipipi · Mar 15, 2022

Bluewidow2016 said:
First of all not so sure it's cal Def. But could be. There is 2 things you can try. Also they are looking a little over watered. Coco ones u can cut back on the water a little. Also they look a little hungry. So more ferts, but over water can make them look like that. The dwc one could be lack of oxygen showing signs of over water. How much bubble action do u have going ? Lastly Calc. Gets uptake more in the range of 6.1-6.3 ph in dwc and just a tad higher in coco maybe 6.3-6.5 ph. Let your ph swing a little between 5.5-6.5 to get all avaliable nutrients. As well you can foliar spray Calc ph'd to 7.2 and leaves can up take it. But keep in mind it'll be the new growth u keep an eye on for healthy leaves. The effected leaves will not recover.

It was root rot

Budzbuddha · Mar 15, 2022

Looks a bit light on N also.

bam0813 · Mar 15, 2022

In the coco too?!? I don’t grow coco or hydro but they don’t look like root rot imo but…..

bam0813 · Mar 15, 2022

I thought coco can’t be overwatered at that size?
maybe left in runoff?

Kassiopeija · Mar 15, 2022

bam0813 said:
I thought coco can’t be overwatered at that size?

it's mostly to do with the pot vs plant-size ratio, % of perlite and some finer details like ongoing transpiration. these factors influence how swift the root gets more access to atmosphere. for sure after full watering non-perlited cocos there will be a phase of 'water-stress'

harrychilds · Mar 15, 2022

It looks like to me they are over fed, in some pictures you can tell the leaves are burning, especially in Picture 6. IMG_20220310_190810.jpg.
All you have to do is look at the burnt leaf tip in picture 6 and you will see what I mean, it is over fed. Either that or possibly overwatered and/or both.

xtsho · Mar 15, 2022

bam0813 said:
I thought coco can’t be overwatered at that size?
maybe left in runoff?

They can plus the rockwool those plants are in can hold a lot of water as well. In a couple of photos the rockwool looks like it's covered in algae and some on top of the coco as well. Like a swamp.

twentyeight.threefive · Mar 15, 2022

Kassiopeija said:
it's mostly to do with the pot vs plant-size ratio, % of perlite and some finer details like ongoing transpiration. these factors influence how swift the root gets more access to atmosphere. for sure after full watering non-perlited cocos there will be a phase of 'water-stress'

I water to runoff daily in 100% coco. Water stress?

Kassiopeija · Mar 15, 2022

twentyeight.threefive said:
I water to runoff daily in 100% coco. Water stress?

think of it if the roots are fully surrounded with water. they actually like it half water half atmosphere. cocos does hold some atmosphere even when fully saturated with water but cannabis roots don't like it too wet. so there's perlite.

twentyeight.threefive · Mar 15, 2022

Bluewidow2016 said:
When the plants are that small ? Curious,Just asking.

Yes from that small.

These are 5 days after transplant from starter pots to 3 gallon air pots.

CaliRootz88 · Mar 15, 2022

Kassiopeija · Mar 15, 2022

it's the coco quality, filtered or dusty sanded etc

twentyeight.threefive · Mar 15, 2022

Kassiopeija said:
it's the coco quality, filtered or dusty sanded etc

Purple is my favorite number of the month.

Skipipi · Mar 16, 2022

harrychilds said:
It looks like to me they are over fed, in some pictures you can tell the leaves are burning, especially in Picture 6. IMG_20220310_190810.jpg.
All you have to do is look at the burnt leaf tip in picture 6 and you will see what I mean, it is over fed. Either that or possibly overwatered and/or both.

Yeah, my ecmeter was broken and i was feeding Them with 2.0ec i resolver the dwc ones by washing and placing the plant in cocco

Skipipi · Mar 16, 2022

I changed the diet of the plants and now are looking gergous i transplanted Them in a 10 liter pots and going beautiful

bk78 · Mar 16, 2022

twentyeight.threefive said:
I water to runoff daily in 100% coco. Water stress?

You need perlite to avoid water stress.

Calcium deficency but not resolving

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