Help please, trouble with veg state

 I usually get through vegetative stage very easily. I have new grow 4 photoperiod in about 4th week just transplanted into 1.5 gallon air pots preparing in a few weeks to do final transplant into 5.5 gallon air pots. I am getting some brown spots on a few leaves towards lower part of plant, they still seem very healthy but obviously something is missing. Been watering at 6.3-6.4 with mild feed at 6-700 ppm. Temp 75-78 with humidity between 60-65. Will attach pic Thx in advance. Using fox farm ocean forest for medium. 

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Need info bro…type of grow? Age of plants? Soil? Hydro? Lights? Pic of whole plant?

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About 4 weeks, soil, 450 W TS3000, photoperiod

Oops fox farm ocean forest

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Looks like some type of deficiency to me not sure what though

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At 4 weeks, your soil is probably depleted its nutes. 5 gal pots usually last 30 to 45 days. Since youre in OF have you checked ph and ppm runoff yet?

Haven’t checked runoff yet, next step, they just got repotted in 1.5 gal pots with new soil

Last watering was 900 ppm 6.4 ph

With cal mag also

But this began before repotting thx

Alrighty, since you repotted, give her a week to rebound and catch up. Watch the new growth and look for any of the same look as the older leaves on bottom…

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Thank you, that was plan you just verified thx very much appreciate, last grow was 22% THC came out nice a learning process every grow, think you’ve mastered it and here comes the curve ball, haha have great night

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The never ending rabbit hole…

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