coco nitrogen deficiency?

[ogtommy]

my first coco grow. cann a coco fresh out the bag feeding house and garden Cocos nutes at 1.2 ec. week 3 of veg. water every day through drippers. ph 5.8. runoff is perfect. using tap water with ec of 0.2. never had a problem before using pro mix. anything I'm missing? do I really need cal mag? Thought I readssomewhere that they can aggravate a nitrogen deficiency. plz help
ogtommy

 

[BravoAlphaZulu]

Hi mate,thats not nitrogen def looks more like iron def possibly,im guessing cold temps causing lock out.hope it helps

 

[azad]

Hi . That's strange,I do the same as your doing. my tap water EC is 0.4 all else is pretty much the same, and I don't see any such problems with my plants.
I don't use any cal mag with my H+G feeding regime.

I can only suggest you give them a few days and see if their condition improves.. By any chance could your PH meter need re calibrating so giving false readings..
Sorry I cant offer you more advice..

 

[ogtommy]

my temps are climate controlled. 25c day 20c night. my only other idea is that I spilled( over watered) my plants building my dripper system, so I shopvac'd it up and re-used it. today I dumped ity all and made fresh food. my ph pen got calibrated two days ago. so, it looks like iron deficiency?
should I supplement it, or is it a lockout due to some other over abundance of nutrients? damn damn damn!!!!

 

[ogtommy]

Just remembered ssomething, I watered a little t with plain water because I was fixing my dripper system.also they stayed in stagnate water overnight(but it was PhD and nuted).
so what do I do? How do I fix thisis it sulphur by any chance?

 

[KnifeWrench]

if you stop thinking about it, it will go away.... trust


sometimes when i blast young plants with lights and salt(>1000ppm) they get that weird color and chewed up leaves just like yours.... mine grow out of it, hopefully your situation is the same

 

[ogtommy]

man i hope you are right!!!! its so scary to see this when it's my first time running in coco.i guess tomorrow will tell

 

[TribalSeeds]

Did you rinse and charge your coco before you planted in it?
That always helps eliminate a few possibilities when you are trying to narrow things down

 

[ogtommy]

no i didnt. i was told to just transplanht and then water with my nutes

 

[BpbbyZero]

no i didn't. i was told to just transplant and then water with my nutes

That will be your problem. You need to check your runoff to confirm PPM and water with nutes to you get it to your usual level.

Also depending on your coco should be rinsed first then water with nutes till you get the correct amount. Coco, especially the bricks are 'rinsed' with salty water and need preparation before use.

Nice spot TribalSeeds.

 

[ogtommy]

even with canna coco?

 

[Sirius seeds]

canna coco in bags and slabs are already flushed and so ready to use but all brands of coco bricks must be flushed several times. i collected informations on this subject recently and i was a bit confused about flushing or not flushing that is the question (big existential question) but bricks=flush, check one of my post where i write the answer i got from bionova, the fabrication of the coco mediums explains it.

 

[ogtommy]

ec in 1.2 out 1.3
ph in 5.8 out 5.8

 

[ogtommy]

so it's not flushing my coco? ok. can it be that I left my plants sitting in stagnate water overnight? and maybe I ran water straight from my tap through the coco for a minute b4 I realize it and corrected the problem?

 

[ogtommy]

on my way to my plants, hopefully they will b better.b back soon

 

[Sirius seeds]

watch your plants closely in the few days to come and maybe try to feed at Ph 5.5 or so, dont increase the ec, wait to see what the plants will tell you.

on the second pictures i see little yellow spot on the leaf at the lower left, i dont see well but you should check the under leaf for bugs to be sure.

 

[FunkJungle]

Check your roots first to make sure they are healthy, then calibrate your pen.

If all is where it should be, I would flush my coco and then feed as usual. My ppm's are usually about 600, whatever that converts to in ec.

 

[ogtommy]

ok, so i re calibrated my ph pen again, nothing wrong with it. more of my plants were exhibiting this phenomena. they all appeared to be in a straight line down my grow room. coincidentaly this is where the water pools after i feed them.sooo, i refed my plants after checking my nutes were at ec 1.2 and ph 5.8. i checked the run off on the deficient plants and they were at ph 5.2-5.4, or they were 6.2-6.4. all the other plants that werent exhibiting this deficiency were all in between 5.8-6.0. it was also obvious that all the smaller plants were affected whereas the bigger ones were not.
so i fed them, then waited 2 hours, refed them, waited 2 hours, refed them all with like 100% runoff to make sure what was going in was comming out. just before i left i checked the runoff and ec 1.2 ph 5.8. this was all the deficient plants i checked so hopefully problem solved.
right? does it take long for the plants to get better if it's an iron def? should i of foliar fed them to speed it up?
sirius-good eyes!!! yeah, ive been battling spider mites for a month now. i though i eradicated them but i had taken two trays of clones that i didn't neem or floramite and lo and behold the little bastards are throwing a party in my veg room again. they are all due for their monthly spray on the first of the month and neem the day they go into the flower room
funkjunle-i check my roots religiously. had a scare a couple months back. thought it was root aphids. turned out it wasn't. since then i check 20% of my plants weekly. BTW when you say 600ppm are you refering to 500 scale or 700? every one seems to use a different one so i just stick to ec.very universal

 

[OBSoul33t]

foliar feed with some chelated iron and then keep your ph in range

 

[RubeGoldberg]

OP:

try to get more runoff and feed daily in your coco, your coco is having too long to interact with your nutrients and cause problems. if you spray with a cal-mag they'll green back up while you're waiting for the roots to uptake again.


also write down the names of everybody in this thread who suggested shit like nitrogen and never take growing advice from them again.

you may want to crosspost this in to the coco forum, for some reason it seems like the infirmary is occupied by 250w closet queens trying to fix things using the Jorge Cervantes leaf chart.