yellow leaves

[eldorado22]

i have a small hydro tray (4 plants) under 4 wks into flower the prob is the leaves have turned yellow and just fall off easily but the buds r still forming with new green leaves and the plants seem ok,the plants are cheesse weed,is this norm or ma doing summit wrong (first time grower)

[tinytoon]

Is it all the leaves or just the lower ones? any chance of pics?

[eldorado22]

here are a few,not the best,any advice is welcome :)[attachment=o209189]

[attachment=o209190]

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[attachment=o209193]

[stinkyattic]

Please copy and fill out the troubleshooting form at the top of the problems section.
We can't tell you anything until we know how you are treating your plants.