Please help :(

Hey guys having an issue with one of my gals here and its looking like the others might follow if I dont fix it.
setup:
20 gal RDWC 4 plants AUTO NorthernLights
Ph gaurdian monitor
3 leds (800 real watts) 18:6
Temps: 68-82 water: 66-73 RH: 50%
Hydrogaurd(2mls per g), DG Protekt Silica(1.5-2mls per g), floralicious plus(.75ml per g), calimagic, GH trio (currently using 1ml micro to 10 mls bloom no grow )
RO<25
PH: I have a problem where I cant get my ph to rise with this grow and last, I believe it has something to do with air quality but im not sure, it stays pretty solid but will maybe drop a point every other day or so
Ec: accidentally burned the plants a lil ik :/ but ec never rose much at all it was staying at 2.0 (slowly increased nutes throughout grow) for a long time and it slowly started rising(.1 after 2-3 days), I dropped it to 1.6 at first sight and I thought maybe I was giving too much regular nutes and not enough calimagic because i have been seeing tiny spots like this since late veg and it seemed raising calmag helped for a little while (went from .4 ec to like 3-4mls per g) then after maybe 2 week or so the problem started getting worse for the small plant. I dropped the nutes and added like 5 mls of calmag it continued getting worse(3 plants looked super healthy just the smallest having issues at first) and ec slowly started rising and i dropped it to 1.4 it rises .1 after like 2 days and calmag is 1.0 ec I know autos require less nutes than photos and that calcium is very important in my situation but thats too much isnt it? Now my healthy plants are starting to show symptoms. I also noticed the small plant is much further in flower than the others and im worried its gonna happen to the rest :/. I have had the plants sitting in .5 ec water just calmag overnight to try and flush them out. Im about to make more nutrients and looking for advice. Id really like to get this problem figured out because its caused too many headaches throughout my last grow and I had came to the conclusion I wasnt giving enough calcium in the end. If I missed anything please feel free to ask questions thank you! (Photos of when first plant started to get bad and now)

Last pic is natural fading

OgGrowinDro said:

(currently using 1ml micro to 10 mls bloom no grow )

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1mL micro and 10mL bloom per gallon?

rkymtnman said:

1mL micro and 10mL bloom per gallon?

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Boy, let's sure hope not...

Yes is that not okay? I go by my own feed schedule i would like something close to 032 but i was trying to cut out nitrogen as much as possible and the only reason i add it is for the micros, its 501 and lots of nitrogen am i missing something thats not okay? I would prefer just bloom bottle but cant because of micros

I usually add that and if the ec is to high after mixing i dilute with water+calmag the ratio i thought was fine

OgGrowinDro said:

Yes is that not okay? I go by my own feed schedule i would like something close to 032 but i was trying to cut out nitrogen as much as possible and the only reason i add it is for the micros, its 501 and lots of nitrogen am i missing something thats not okay? I would prefer just bloom bottle but cant because of micros

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No my dude, its definitely not okay your plants starving.
You should be using half the amount of Micro as you do Bloom, at least with GH. I guess a little less micro, like say 1/3 the amount of bloom might be okay, but certainly not 1/10th.

OgGrowinDro said:

Yes is that not okay? I go by my own feed schedule i would like something close to 032 but i was trying to cut out nitrogen as much as possible and the only reason i add it is for the micros, its 501 and lots of nitrogen am i missing something thats not okay? I would prefer just bloom bottle but cant because of micros

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cutting out N is a big mistake. reducing N is fine. but 0 N is no good. it's the most impt nute by far.

use a 1:2 ratio of micro to bloom, not 1:10.

and if you are trying to not use N, then cal/mg is adding more N.

OgGrowinDro said:

I usually add that and if the ec is to high after mixing i dilute with water+calmag the ratio i thought was fine

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and never add cal/mg after nutes, always before.

by running such little micro, you are not giving them enough Ca. micro has 5% Ca which should be plenty if given in normal amounts. which is the rust spots you are seeing.

I appreciate the help, thank you I always add calmag after silica after sitting, I realized the calmag had nitrogen thats why i dropped it so much because i thought itd be overdoing it, I also thought the leaves looked a little over green too. I had just dropped the micro not too so it makes sense ill up the micro and see what happens thank you guys

i would think about trying 5mL micro/10mL bloom per gallon. leave out the cal/mg for now. that should put you around 1 to 1.2EC which should be plenty.