this is super good to know, i appreciate you jumpin in on this @Covertgrower thank you!
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So this looks exactly what my plants are suffering withā¦I think I might have pushed them a little too hard but only the sativa dominant AK-47 is suffering from my lighting experiments but the smaller White Widow seems to be unaffectedā¦please take a look at mine to make a comparisonā¦both plants are exactly one month old from Nov.11 seed in dirtā¦
Mixture of mother earth coco & perlite
and Fox Farm Bush Doctor coco Loco coconut cior potting mix in 5 gallon pots
Ph @ approx 6.4 soil sample taken & watering with between 6 to 6.7pH
RH @ 60% to 65%
In tent (the Exhale homegrown CO2 bag)
Temperature @ between 70Ā° to 75Ā°
Light source HLG 350R @ 150wā¦18 hrs on and 6hrs offā¦
AC Infinity CLOUDLINE T6, Quiet 6ā Inline Duct Fan ā¦w/ multiple fans
Iāve tried to include all the details so you guys can figure as many variables as possibleā¦
I water when needed whenever the pot feels light like every two to 3 daysā¦
**I havenāt given any dry amendments yet but gave a tea with amendmentsā¦it had this spotting already developing but seems after administering the tea it gradually seemed to get worse 
please adviseā¦Mixture of mother earth coco & perlite
and Fox Farm Bush Doctor coco Loco coconut cior potting mix in 5 gallon pots
Ph @ approx 6.4 soil sample taken & watering with between 6 to 6.7pH
RH @ 60% to 65%
In tent (the Exhale homegrown CO2 bag)
Temperature @ between 70Ā° to 75Ā°
Light source HLG 350R @ 150wā¦18 hrs on and 6hrs offā¦
AC Infinity CLOUDLINE T6, Quiet 6ā Inline Duct Fan ā¦w/ multiple fans
Iāve tried to include all the details so you guys can figure as many variables as possibleā¦
I water when needed whenever the pot feels light like every two to 3 daysā¦
I havenāt given any dry amendments yet but gave a tea with amendmentsā¦it had this spotting already developing but seems after administering the tea it gradually seemed to get worse please adviseā¦
Uploading: 20211212_175224.jpgā¦
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honestly this looks similar to how mine started ā¦new growth was unaffected at first, i think you are in the right place, is that your exhale bag down by the side of your plant? ā¦i was under the impression you had to hang those bags above the plants for them to be effective because of how c02 falls onto the plantsā¦i could be totally wrong about that though never played with exhale bags yet
I have the upgraded se3000 and honestly at first I didnāt know how I was gonna like it but it has produced some nice bud not to upset with it 
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Yes thatās the CO2 Exhale bag but this is my 1st grow so I donāt know if it needs to hang above or below but thanks for the advice Iāll try hanging aboveā¦
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Do you have a watt meter? I am curious what the draw is @ that 20%.
When I got my 480w led I fried the crap out of my plants at first and I had it at about 350 watts draw. It does make the plants use up nutrients to a much higher degree. If you have the height go up even higher than the 27". Try it at 3ā.
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head room is cramped in my 2x2 but i will experiement more when im in my 4x4
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i have one but where it is at is anyoneās guess i havent seen it for quite a while. I have switched from GH flora duo to npk RAW, its just far far lower ppm which allows me to feed more than i could with flora duo.
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I donāt have a light meter but this is the closest thing I have to letting me know how many raw watts Iām beaming down on themā¦
I also would like to know how deeply I am in troubleā¦I ordered a commercial bluelab truncation nutrient meter and the reading just freaked me the F outā¦now for some reason my video gallery wonāt let me upload the 3second video but either way the highest reading just flashes and then shuts offā¦I checked this after I watered the first pot with ā¦
I followed the instructions to the letter but I gave the plants a tea I brewed last week and this was their 1st tea or any feedingofany kindā¦this is it fellow farmers and I hope that the cal/mag takes care 
of the yellowish funny colored leavesā¦Iām still open to all of any advice and any criticismā¦this is my first grow and Iāll follow any advice no matter how abstract it sounds to keep my girls healthy and producing beautiful and humongous budsā¦ thanks in advance 
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I forgot to mention that I been experimenting with the light wattage and had it up to 180 watts at some point until I seen the discoloration then I backed off to like around 150 watts @ 24" from the top of the tallest plantā¦hope this helpsā¦
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well been feeding a lot of calmag and i cranked the light to 100% ā¦maybe i was not providing enough light thinking that was the issue now that im at 100% it seems to be thrivingā¦again ive also increased nutrients so maybe a little of both, either way shes happy now
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Glad you got em going, good luck 
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tyvm sir!
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UPDATE!..i stopped bein a scary berry and cranked the light to 100% and tossed in everything under the sink ā¦she bangs!!!
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i really am thinking looking back that my issue was i had been running full strenght nutes and dialing the light back too muchā¦from now on i have a new outlook on lightingā¦its this simple ā¦the sun dont hold back so always 100%!!!, my biggest issues have been with LEDs that have power dials!!!..from now on its all or nothin because thats what works for me 
ā¦no matter how bad ive treated my girls throughout time they always seem to come back stronger for that low level abuseā¦some times the ones i abuse the hardest as long as i dont kill them they become the most og hardcore pushers. its almost an art to abuse them just enough to not stunt or damage beyong repair. its a savage nature but no mistake this plant thrives on abuse for the consumer, its like fattening the hog to the slaughter
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i hope your theory about abuse is correct. the beginning of my grow was a cluster f of thingsā¦
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I grow with this same kinda motto but depending on the light of course I keep my lights turned up as high as I can and use the distance to control the intensity this gets the plants used to the brightness of the light
so that later on theyāre not as sensitive when you want to pound them with higher intensity
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i start at 40 with sf lights then 5 % more thru out. otherwise i get curl it seems to evently go away .
i got the 4000 and 2 10000 sf lights seems to work ok but no bueno on 100% for me
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Iād like to say thanks to all of the fellow gromies who had a hand in the development of these fine gals and I donāt know what I wouldāve done without youā¦today is their two month anniversary from seed in the dirt till now and they are looking beautifulā¦I ran into a few snags along the way but nothing to much for my fellow gromies and I thank you againā¦the tall linky plant with the green tag is the AK-47 and the other with white tag is the White widowā¦ once again my wise and knowledgeable gromies I need your adviceā¦I need to know when or is there a sign for me to change my light schedule to send them into flower ā¦this is my first grow and Iāve done everything according to the advice given here and so far so goodā¦Iām open to all and any suggestions and ideas that will help me continue to have an awesome first grow from seed to harvestā¦ thanks in advanceā¦
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Once again growmies iām still at it and coming down the home stretch in my 5th week of flower trying to work out a minor hickup i hopeā¦ive been feeding with spider farmer liquid amendments and also cal/mag w/iron and just canāt seem to get rid of the yellow tips on my fan leaves and iām looking for some good ole growmie wisdom and knowledge ā¦in other words HELPā¦!!!
The first three pictures are my AK-47 photo fems 5 weeks into flower and are the ones im having the problems withā¦the last picture is my White widow photo fems both planted at the same timeā¦both plants were a little over nuted but i flushed both plants just before i swiched to flowerā¦ for some reason my WW are doing just fine but the AKās seem to still have that slight yellowing tipsā¦all buds on both plants are very beautiful and frosty but i donāt want this yellowing to become a problem in the future with bud size or harvest or both so iād appreciate any and all the help i can get because this one is getting down to the wire and this is also my first grow and iād hate to put in all this effort just for something to go wrong the last minute and ruin my harvestā¦HELPā¦!!! ā¦THANKS IN ADVANCEā¦
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