Issues with 18 day old plant

I was hoping someone would recognize what is wrong with my plant it is 18 days old and started getting small brown circles on leaves then started yellowing or discoloring I leave it outside in day and being it at night I have gave nutrients one time

We know it’s growing outside, but fill out the rest the best you can.

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Answer these simple questions the best you can.
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NA (non applicable)

  • What strain, Seed bank, or bag seed
  • Method: Soil w/salt, Organic soil, Hydroponics, Aquaponics, KNF
  • Vessels: Pots, Grow beds, Buckets, Troths
  • PH of Water, Solution, runoff (if Applicable)
  • PPM/TDS or EC of nutrient solution if applicable
  • Indoor or Outdoor
  • Light system
  • Temps; Day, Night
  • Humidity; Day, Night
  • Ventilation system; Yes, No, Size
  • AC, Humidifier, De-humidifier,
  • Co2; Yes, No

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  • What strain, white widow and sour diesel mix
  • Method: Organic soil
  • Vessels: 3 gal pots
  • PH of Water: 6.0 to 6.5 bottles water Solution, runoff (if Applicable)na
  • PPM/TDS or EC of nutrient solution if applicable: nutrients fox farm trio
  • Indoor or Outdoor: both
  • Light system 6 hrs under 150w hps and 12 hrs sun
  • Temps; 65-80 day 75-55°F night
  • Humidity; Day, Night 50% to 90% outside
  • Ventilation system; Yes, small circulating fan in grow tent small vent fan
  • AC, Humidifier, De-humidifier, no
  • Co2; No

Looks like early calcium deficiency, but check for pests too.

The first leaves are always the first casualties.


Soil is 1 par fox farm ocean forest 2 parts garden safe organic and natural potting mix

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