Could it be over or under watering? High placement of rockwool?

B

Yeah man I agree. I have been doing a lot of searching and trying to find similar setups and just learn from their logs.

The bubba has been growing pretty tall, almost hit the net!
The kens is stocky man.. growin out like a bush.. a bit concerned but still a bit early I think.
Light is pretty much as high as can be and has been since beginning lol.

Did another res change last night and had bubba at 5.91/583 and kens at 6.12/512.
As of the most recent pic they are 6.03 and 6.10.
Also got some Cal Mag and Hydroguard in the mix last night.

looking good, but I suspect your air temp is a little on the warm side. do you have a small fan in there moving air around? try to keep indoor temps around 75 if possible. don't allow air to stagnate in the tent or temp to get too warm. maybe give this ppm amount another week and then raise it some, maybe to 800 and see what happens. if you start getting brown leaf tips, then back the ppm off to 650 and ride that for a while. great so far.

thanks man. reset my temp meter min/max and went a little over 24hr.. 72 to 79f with 60 to 75% humidity
and thats with my swamp cooler right outside the intake running pretty much 18hr w/ the light schedule.
and yeah i got 2 small oscillating fans mounted directly onto the nets, ill try to get some pics later.
and ok great thank you with the nute suggestion man

75% is too high of humidity. that high of moisture at an indoor grow makes warm temp seem much warmer to the plant. your leaf edges are curling upward which usually means air temp is too high.

yeah I noticed the 75 when lights were off so I got the humidifier inside on the light schedule as well. about 50% when lights are off now
got to about 71% with 78-79 temps. lowered the humidifier inside a bit more and opened windows all the way now at a nice 67% and 76-77 temps.

here is what ive been following, not sure if i should be doing something else tho
Week 1 growth: 70%
Week 2 growth: 70%
Week 1 flower: 65%
Week 2 flower: 60%
Week 3 flower: 55%
Week 4 flower: 50%
Week 5 flower: 50%
Week 6 flower: 45%
Week 7 flower: 45%
Week 8 flower: 40%
Week 9 flower: 40%

looking good. what is ppm at feeding time? in other words, what is the max ppm would you say?

thank you man. really exciting!!
and the bubba was @ 583 and kens @ 512 last friday at feeding time.

it's really weird because I make both nearly at the same time, maybe 10 min off, and use the same exact amount of nutes but one always is higher than the other lol.

they will be the same if you mix them while standing on one foot. Kidding.

Cues up guns and roses " welcome to the jungle"

weishen, please come back to this thread and post pics as time goes on. this is one grow I want to pay attention to. it really isn't hard but people tend to make growing hard with lots of guesses and trying this or that thinking they will get great plants. adequate lighting, airflow, temp control, and good quality ferts at the right ppm and that's pretty much it. More people should DWC cuz it's so easy and provides fast growth. earlier, I didn't realize you've been growing for so long. I suspect that your low nute level early on caused some stunted growth. would you think that might be the case?

Yeah man I will def keep posting updates.
I love DWC because of it's speed and simplicity, it's awesome man. Everyone kept saying soil is easier but I mean is it really? DWC is so simple just need to check pH once in a while but man it's super fast too!
And yeah all my pictures have that DXX which means Day xx and then the time stamp and everything. I had to put PM/AM first because Windows 7 naming arrangement is messy.

As far as the stunted growth.. there's something I didn't really want to reveal.. BUT they were def stunted by 2 things.
1- the placement of the rockwool. it was way too high up, no chance of water ever getting to it. I'm pretty sure top side water feeding kept them alive until their roots shot out the side after I moved them much further down in the hydroton.

2- ... .... ... incorrect nutes. I didn't even realize the GH 3-part nutes needed to be given ALL THREE at the same time... I literally saw their labels "Vegetation" and "Flower/blossom" then "Micro" and was like oh ok so one is for veg, one is for flower and micro must be for seeds. SOOOOO DUMB.. that is probably the ONLY time in my life that I never read the instructions of anything, just looked at dosages. I felt so fucking bad. It was embarrassing as fuck. but yeah that went on for like 1 week maybe even 2-3 days more.. as soon as I realized all 3 had to be given at the same time, I made a new batch and swapped out buckets, maybe like 2 or 3 days after a res change, but shit it was def worth it. I was even thinking I should do res changes every 3-4 days.. I don't really mind the work, esp with the water pump inside each bucket doing all the draining.

ugh that was sad ><
sorry for such a bad mistake man.
but yeah def still got a lot to learn... hah


and man.. I am the worst handler.. jeez it was so sketch moving the bubba into that 2nd hole.. def tore one of the leaves pretty bad..
I'll have to really be gentle and take my time.. I was waiting for it to grow at least 4in above, then tuck, but I think I gotta do it earlier.. otherwise I'll just end up tearing some leaves over and over..

looking very good.

thinking of not using cal/mag anymore.. read it was needed when using RO water but I'm not sure why else my babies look a bit weird, esp the kens- super short

two of the three have calmag in that nute line already. if you're not familiar there is the lucas method of just using the micro and the bloom ferts of that line. in the future when you're flowering you might consider avoiding the green veg fert altogether as the micro has nitrogen in it. I think they look pretty good, but they are still short. they should be really taking off. the color is good. what is the ppm? maybe you should move that up some. how are you handling pH? my suggestion would be don't fight pH too much, it will drift some naturally and you want to watch ppm more than pH unless pH gets too low for some reason.

https://www.rollitup.org/t/harvest-a-pound-every-three-weeks.116859/

ok I'll cut the green fert when flowering, I'm not sure about Lucas method because I'd like to actually swap out res, it seems cleaner.
I stopped the cal mag and increased the nutes according to the "aggressive veg" on the label.. got Kens up to 980ppm, 5.8ph
kinda high so I went for a bit lower on the bubba but that still came out to 953ppm, 6.05ph. but I do also have some hydroguard in there
pH generally stays pretty good.. I haven't needed to adjust yet. ppm I haven't really been logging, will start though. what should I be looking for?
and that cloner and lb/3weeks guide looks amazing.. thank you for those links!

3rd day in a row res change, lol. went 2/3 of recommended "aggressive veg" on label and bubba is at 751ppm with 5.91pH while kens is at 812ppm with 5.96pH

bubba raised to 830 this morning while kens around 850
ph also raised to about 6.3 on both, added some ph down when top feeding them

that green netting might prove to have squares that are too small, bu time will tell. these plants want to grow large under the sun. indoor growth is usually pretty short but they still can really bush out. I don't think pH down when top pouring is necessary. just use what's in the buckets without changes.