Hello 
Having a bit of trouble with one of my Gorilla Glues. This happened over the course of maybe five days. I noticed small red/brown spots on two leaves and she looked to possibly be lacking calcium at the time.
I started giving full dose of cal-mag every 2 days with watering and some leaves have gotten way worse and others have started to clear up. She hasnt stopped growing, shes growing just as fast as my other girls so no sign of stunted growth. Hoping i can fix the problem and get her better.
Shes is a Gorilla Glue by ILGM
Soil is FF Happy Frog mixed with perlite
Using Cal-Mag, Big Bloom and Grow Big
Ph around 6.35
Using filtered water.
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Mmm I wonder if the ph has anything to do with it, I’ve always seen soil is best watered at ph 6.5, I would continue feeding calmag
I’m sure a more experienced grower will chime in but I think you could possibly have a lockout issue
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What is ur ph .im a soil grower and have my ph between 6.0-6.5 u may need to flush ur plant what nutrients are you using
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Around 6.35 i try to keep it.
Well its not a ph problem then what nutrients are you using
Have you flushed at all during grow, ff soil and feeding ff nutes a flush is recommended around week 5 I think, check your feeding chart. 2 what’s are your ppm going in, what are your run off numbers ppm, and ph ?
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I agree with @Aussie_autos. A good flush on those laddies sure wont hurt.
How often are you feeding? Are the plants in veg of flower?
It might be to much nutes in the soil and is not allowing the plant to soak/suck them up. Lock put stafus like @ThatsNotMineOfficer said. Or the lockout might be to duncky ph levels in the soil kot allowing the nutes the flow. Flush it!
I notice you are using Big Bloom from FF. I dont go with Fox Farm myself but it looks like it is an organoc product. Are you going the organic rout?
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I was just thinking a good dose of beneficial bacteria aswell
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Heck ya!! In my opinion benifcial bacteria is a great addition for any and all gardens. If a farmer can do many many things that slightly increase there production or quiality of the product .0001% than do it. All those little things add up and help creat a masterpiece.
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Cal mag big bloom and grow big
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Aha ok ive never used those before
I water every two days which normally comes out to maybe 3 times a week. I only add grow big and big bloom one of the 3 waterings. The other 2 waterings only have cal mag. Of the grow big and big bloom i only put half of the recommended dosage. As for the cal-mag i was putting a little less than half of the recommended dosage in each watering but since the spots started i started putting the full dosage. They are on week 5 of veg.
This will give you all the answers 
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Can you get a picture of effected leafs under natural light with purple lights off.
It looks like possible phosphorus or potassium deficiency.
5 weeks into flower and if you’ve only been give half strength nutes that could explain it…
We need to know the PPM of your last run off to know what to do from here.
I can tell you thst you do not want to ever just flush the plant because it looks like it’s needs it…
You only flush the plant if it’s locked out due to salt build up and the easiest way to know that is run off numbers…
Provide as much info as possible on the follow support ticket. I have some assumptions just based on the pics, PH is a little low and you didn’t post TDS/ PPMS but some great cultivators will chime in
Answer these simple questions the best you can.
If you do not know, or do not use something; Just say so; Or post
NA (non applicable)
-What strain, Seed bank, or bag seed (photo or auto)
-Age of plant
-Method: Soil w/salt, Organic soil, Hydroponics, Aquaponics, KNF
-Vessels: Type and capacity of container (fabric, plastic, etc)
-PH and TDS of Water, Solution, runoff (if Applicable)
-PPM/TDS or EC of nutrient solution if applicable
-Method used to measure PH and TDS
-Indoor or Outdoor if indoor, size of grow space
-Light system List brand and wattage/spectrum
-Actual wattage draw of lights
-Current Light Schedule
-Temps; Day, Night
-Humidity; Day, Night
-Ventilation system; Yes, No, Size
-AC, Humidifier, De-humidifier,
-Co2; Yes, No
If growing Hydro some additional questions:
-DWC? RDWC? Autopots? Ebb and Flow? Other?
-Distance of liquid below net pot (DWC)
-Temperature of reservoir
-TDS of nutrient solution
-Amount of air to solution
Always try to upload a clear picture in white light of any issues you may have to allow the community to assist you.
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Gorilla Glue, ILGM
-Age: 9 weeks from sprout
-Method: happy frog soil, perlite
-Vessels: Fabric pots 3 gallon
-PH at 6.35ish
-TDS: 850 was last watering
-PPM/TDS vivosun meter
-Ph vivosun meter
-Indoor 5x5 grow tent
-Light system: LED watt 1200(not sure if this is true since most I’ve seen is way less than they say)
-16 light 8 dark
-Temps; Day (76degrees) Night (73degrees)
-Humidity; Day (55%), Night (55%)
-Ventilation system; Yes, 6 inch vivosun exhaust fan
-Humidifier Only
-Co2; No
Soak the pot. Let it drain and soak it again put a fan on her to keep the humidity down. This is an obvious nutrient overkill.
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Thanks I’ll try ph-ing a bit higher next water 
Week 9 from sprout ff soil ff nutes a good flush 3 gallon pots 9 gallons of ph water will clean you soil you probyhave some salt build up, cause some root lock out. Also feed the recommended amount of back of bottles, after that your plants are Established and can handle full feeding. TDS should be closer around 1200 mark, all of this is on ff website feeding schedule and Desired PPM readings when feeding good luck
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