Yellowing Leaves, Brown Spots PLEASE HELP!!!!!!

Strain - White Dwarf Fem
Age - 3 weeks
Pot size - 1 gal
Lights - 18/6
Temp - 80-84f
Run Off pH - 6.2
Soil pH - 6.5

The Bottom fan leaves a week ago started yellowing. I figured they needed nutes so i started them off on 1/2 strength FF Grow big, big bloom. I watered 3 days after with pHed water 7.0. Two days ago i hit them with full strength Tiger bloom with 1/4tsp of Open Sesame pHed to 6.8. STILL the yellowing continues....and is moving up the plant. Is it N deff????? PLEASE HELP!!!!

probobly could be nute burn..try 1/4 strenght instead next time but first try flushing ur plants with double the about ur pots would hold with water then let them go for a few days and they should try and go back to normal..if not you must have some sort of other deficency like magnesium or nitrogen..

thanks for the input brad. This is only happening to 2 of 5 plants. They are the 2 older plants(buy 2 days). They have all recived the same nutes.... They stated yellowing before the nutes. I donno i could try flushing....anyone else?

now the two are developing small brown spots on the lower fan leaves not really yellowing......

sublime51127 said:

now the two are developing small brown spots on the lower fan leaves not really yellowing......

Click to expand...

You said your giving them bloom nutes..meaning they are flowering...meaning that since your place is flowering it is no longer using as much nitrogen meaning the leaves will start to fall off during flowering....in other words, its normal bro dont sweat it

Well here is some pics. Tell me what you think.
Pic 1&2 is how it starts, pic 3 is a few days after.

sublime51127 said:

Well here is some pics. Tell me what you think.
Pic 1&2 is how it starts, pic 3 is a few days after.

Click to expand...

Ya they are flowering, so they will use up the nitrogen in the bottom leaves, everything is fine... as long as the upper half of the plants fan leaves dont start during brown everything is normal