Hey everyone.

I've got

5 White Rhinos
Ebb & Flow in pH'd Hydroton
5.8 pH (consistantly)
1400ish ppm
18 Days Flowering
400w HPS
GH 3 part Nutes (following latewood's recipe)
70-80* F canopy temp
50-65% humidity
lots of air circulation

As you can see from the pics, some of the leaves are starting to yellow and quite a few have completely yellowed and fallen off.

My first thought was N deficiency, but the drooping and mid, high and low locations of the yellowing leaves also hinted at P and K deficiency. Are they just underfed? should i add a feeding or boost my nutes a little?

OR

Take a look at pic 5. that plant looks good/unaffected. Does that mean that maybe it's a root problem because not all the plants are suffering? i'm running Hygrozyme through to clean up the roots and medium.

those are my best guesses.

Can anyone tell me if i'm on point or way off base?

thanks.
Skeet
elskeetro Reviewed by elskeetro on . Confirm Yellow Leaf Diagnosis. (PICS) Hey everyone. I've got 5 White Rhinos Ebb & Flow in pH'd Hydroton 5.8 pH (consistantly) 1400ish ppm 18 Days Flowering 400w HPS Rating: 5