These just started showing up was my best run to date week 3 flower. Tap water dechlorinated and ph’d. To 6.2. Peat based medium. Photo is about a week a part. Indica dominate strains. LED. 7 gal pots. Temps 70 off. 83 on. RH 45-50%. Light set at 300 watts in 4x4.
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Sorry buddy I can’t help you with soil.
A word about chlorine you can check it out on google, chlorine is considered a essential element for plants, afaik it was the last element to be added to essential elements, I’m not suggesting it chlorine related I’m not I’m merely pointing out chlorine isn’t bad except in high ppm like any other mineral.
Good luck!
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I can’t help you because I have some plants with that brighter green, but it can be from a different strain? Somerimes we need some runs to adapt to another strain.
I would blame led lights because with hps it doesn’t happen, but led will make your buds frost and ready faster.
With leds I need to add calmag suplement, or they just yellow slowly.
But calmag is a suplement that may or not be needed deppending on your soil and water.
What I do is I find the best strain for my conditions and keep that as a permanent run while trying other strains.
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Doesn’t look too bad. I see yellow tips and yellowing leaves.
I would do a slurry to determine what the ph and ppm of the soil are.
Why guess, just test👍
Post those results and we can take it from there🤌
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Will do this evening. Thanks
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Doesn’t look like Ca or Mg to me. You mentioned peat based medium, but have you amended that or are you feeding nutes? How far along in flower? I’ve had plants look like this before from lowering N too early in flower, but that’s just my shot in the dark assumption without knowing more details. I also agree with others that they really don’t look too bad.
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This, everything TreeTops just said.
Are you feeding anything besides CalMag? if so then you’re basically running hydro and that ph likely needs to come down a bit to 5.8-6… Week 3 is a bit early to be fading, they look hungry to me. Lack of nitrogen, tip “burn” is likely the start of potassium deficiency…
If you’re only dosing calmag and relying on nutes in the soil… a slurry test might be helpful. Likely need to top amend or start feeding nutes but we need more info before we can really determine anything.
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They look hungry to me as well. That PH is also at the upper limit. If it were me I would drop that to a ph of 6 and give them a good feeding. What have you been feeding them and in what amounts?
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Yes you’ve got them on a diet a quick fix is some liquid fish shit but up the nitrogen a bit.
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I’m back grow parameters are above 4 plants in 7gal 4x4 bar style light set at 300 watts.
Slurry tests results. I weighed out 56 grams of soil from 2 inches down in each plant added 112 grams of water let it set for about 15-20min. I have blue lab ph pen and ec pen as well.
PH.for all was teetering between 6.8-6.9
EC/PPM 500 scale
Plant 1. Ppm 850 EC 1.7
Plant 2. Ppm 600. EC 1.6
Plant 3 Ppm 400. EC 0.6
Plant 4. Ppm 1100. EC 2.0.
Plants are different sizes and strains all started same time. The plant in picture is plant 2.
Is the soil ph okay?? should I lower it Lights are out I can give pics of individual plants tomorrow. Thanks again for responding
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i dont think youve mentioned what you are actually feeding (jacks, peters, flora etc)
for a peat/soiless based medium i think the PH is too high. it should be around 5.8-6.2 going in. (slurry tests arent really going to help you that much as they vary within - its better to measure it going in and know your medium ph with an insert - or do a terminal runoff test)
some people have mentioned they look good but a lil hungry. i believe that too.
- but again i dont think youve mentioned what you are feeding (sorry if you did and i missed it while going thru the thread). also that greenish can be the beginning of something else too early to diagnose, but soon enough to correct with a good ol ph’d flush and soft nute refill.
from my experience, peat issues are usually ph issues. what are you ammending that peat with? (peat is very acidic), what are you feeding?
cheers.
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Yes, as everyone has said peat wants a PH of 6 or under for best results, you need liming and maybe some gypsum too:
https://www.sungro.com/issue-33-april-2005-harmonizing-peat-and-lime/
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It’s pre amended stonington blend and 3mil cal mag every other watering I have castings bone blood meal and pure blend raw I can fire at it. 1100 is high for the smaller plant no?? Probably feed plants 2 and 3?? Nitrogen ?
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Foliar sprays. Cal Nit. Mag Nit maybe, while continuing your current feed. Turn that light up some of you can, watching your temps.
I vote gypsum flush for the re-set.
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It’s getting late early👀
Pouring a bunch of stuff on a plant in mid flower rarely does me any good.
Maybe top off with some worm castings and fresh soil, and just ride it out.
$.02
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I forgot about molasses and great white too. Added maybe once per month in a watering Maybe I’ll do an REC tea. I can turn the light up it hits 83 max. It’s cold in New England. I’ll keep updating thanks again and merry Christmas!!
How do lower the soil ph water at about 5.0???
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If i am reading this correctly, the ph of your slurry is close to 6.8-6.9 and ppms look like there’s food there, which is evidenced by the yellow tips.
So it seems you may have a lockout, hungry plants but not because there is no food in the soil.
6.8 slurry would be fine in 3 weeks. Right now in peatish soil you want 6.3 at the low end and 6.5 at the high end. 6.2-6.6 would work too.
You can just run plain 6.3 water thru to slight runoff, but you may be depriving your plants nutrition, like calcium. That said, calmag nitrate inputs are not my gig. Never used them once. So, i do not know how they play with soils, and I will continue to avoid them. perhaps someone who uses calmag in peat with success can help us out here.
If those were my plants, I would run 6.2 herculean harvest, (liquified bone meal, pure calcium ready for plants to eat)
2 tbsp / gallon, thru the pots with liberal runoff 
Next watering 6.3 mild tea, or other uptake assist potion.
Then take another slurry once the pots have dried out, and see where you are at. Google proper slurry’ing, dont slurry wet soil
One other thing that makes peat plants act funky is cold or wet feet. Gotta keep their toes toasty and dry. Pots should be able to be blown over by your breath they soooo light, then you can water properly, tiny bits at a time too start. i use yucca to avoid hydrophobic soil. it is a dance, gotta be dry but then its hydrophobic, ahhhhhhhhhhhhh, wtf? right, so dry is best, then soooo fricken wet, as much as the pot will hold, and then some. massive wet dry cycles will also keep fungus gnats to zero with no other controls needed ever, 
add a little water here and there to pots that ‘look’ dry, gnats will be there instantly.
These are all just suggestions, not to be confused with knowing it all. i just like soil growing, and hope i can help you and others out.
Worm castings, fresh out of the bin, all day and twice on sunday are your best friend when running peatish;) this is not anecdotal, just worm poop glory.
Start your worm farm today, and you will thank me later.
In closing, there is something to be said about litfa too. So, like I said it is a dance, you gotta be in tune with your partners, find what works for you, try not to make any sudden movements, and enjoy the journey. Once you get that rhythm you will never lose it.
ps, molasses, is a whole nuther debate. i personally never use it in anything but tea making
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Herculean Harvest is one of the most foul smelling things in my cabinet, and I’ll never grow without it again, it’s so useful having a bioavailable calcium liquid around. There’s a nice one from DTE too
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HH is good shit for sure. Smells bad you say? Have you opened a bottle of ‘kraken’? Woof🦨