Brown spots, not growing full

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First I hope these pictures show up, if not I will need help with that as well!

I am a first time grower and overwhelmed!

The leaves have some yellowish spots on them and they don’t seem to be filling out.
Sprouted on April 15 (23 days ago)
PH: 7
No run off-watering every other day
HydroplanetTM Grow Light Fixture HPS 150W - on 14 hours, off 10 hours
Planted in Miracle Grow planting soil
Temperature 70-75 degrees F
Humidity 40-45%
10-15-10 plant food - watered down

Please advise…thanks KBob

Your soil is too wet. Allow to dry between watering. Miracle Grow is not the right soil for cannabis.

Do we attempt to replant in different soil?