I thought that it may be nitrogen but the bottom leaves aren’t being effected. Any suggestions?
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COPY/PASTE the below list into your forum post.
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.
And this chart is specifically to younger upper leaves (immobile nutrients)
This one shows lower to middle leaves… could be Magnesium (mobile nutrients)
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When mine do that, which they seem to always do it lol i give them either a pinch of epsom salt with their water or i add my organic cal/mag. Always seems to bring them back
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Initial impression is a magnesium deficiency but would like to see the support ticket. Are you adding epson salt to your feeding routine 
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IMO ooks like possible sulfur deficiency. Could be due to ph. The support ticket will help as stated above. Epsom salt MgSo4 will take care of either, mag or sulfur deficiency as long as your ph is good.
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Indoor or outdoor? - size of grow? Indoor 4x8
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Otigin of seeds? Platinum Kush
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Regular, feminized, or autoflower?Feminized
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Origin of water. PH, EC/TDS of source water? Purifies water PH is 6.0
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PH and TDS/EC of if mixed solution?
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Grow method? Soil, Soil-less, Coco, Hydro, Aquaponics. Please explain.Soil, 25% coco, 75% Pete moss, perlite, vermiculite,worm castings and bat guano
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Nutrients or fertilizer system used.Flora system
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What typr of lighting are you using? LED, HID (MH, CMH, HPS), or Fluorescents? Please elaborate. HPS 600 watt
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What are the temps in your growspce? Day / Night? Temp average 75 - 24/7
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What is the RH = relative humidity in your growspace? Day / Night? Humidity average 45-55
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AC, Humidifier, De-humidifier? Humidifiers
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Do you have a Ventilation system? Size? 4", 6"? 6 and 8 inch
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Co2 Yes / No? No
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How long have you been growing? 2 years
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What budget have you set in order to grow successfully? N/A
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If you grow hydro, then please explain your hydro method. DWC, R-DWC, Ebb and Flow, Or;
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Is this your mix of soil or is it bagged soil ? If bag, what brand.
Do you water to run off? If so whats the ph and tds?
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different mediums have different PH ranges. Soil 6.2-6.8….coco 5.7-6.2 same for the Pete. Could be struggling with the 6.0?? Same question on run off as @GreenJewels
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Yes my mix of soil and yes water to run off and I don’t know what ph and TDS is. I haven’t tested runoff water.
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I would test the run off. Is it general hydroponics flora series nutes?
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critical info to know. Testing the run off will let you know what lies below the surface and what the PH and PPMs are and how much to feed
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I know how to test ph runoff but how do I test the TDS?
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Perfect, thank you! I’ll get one ASAP!
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Not knowing exactly what Flora series feed chart you are following, I grabbed the Medium Feed for the 3 part weekly basic
The chart tells you what the approximate EC (electrical conductivity) and PPM of the feed solution is.
Most meters can be toggled between EC & PPM / TDS.
Please note if the intended EC is 1.0 the ppm right below it is 500. It is telling you the chart is based on 500 scale. I point this out because many pens also include 700 as an option for measuring TDS. Make sure you set the pen to 500.
The EC and PPM in the chart is based on using RO, distilled , demineralized water which has zero EC. Based on the water the EC PPM amounts may be different than given. Also, it is tough to measure the nutrients exactly. This will also cause the readings to differ.
When I used liquid nutrients I used various sized syringes and droppers to measure.
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Great info you guys @beardless many thanks to you and @OGIncognito 
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