Lower leaves yellow dried (pics) - Top leaves fine?

solar72

solar72

Active Member
Hi folks, first timer here-things were goin fine then me lower leaves seem to be playing up?
i have checked all the forums but im getting a load of different answers.:confused:
some say ph to high/low or nuit burn, lights to low and some say its normal.
Heres my setup.
im using a wilma hydroponic with drip feeders, rockwool, clay pebbles and ionic grow nuits.
feed 4 times a day for 5 minutes a time.
airstone
400w MH light and 12" above girls.
ext fan, osculating fan
girls about 4 weeks in veg and about 9" tall.
ph5.6-5.8 ec about 0.56
ppm 470.

Any help from experts appreciated
 

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Gift of the Grow

Gift of the Grow

Member
well i can definitely say its not dry because drying starts at the tips of the leaves, and your leaf tips are green yet.

I'd put my money on nute burn. have you recently changed the amount of nutes you give 'er?
 
B

bakarash

Member
dude im no expert..but i think thats normal..those r the first leaves to come out..the oldest ones..so just leave them and they'll fall out..and watch if any upper leaves start gettin yellow..if not than everything is aok!
 
solar72

solar72

Active Member
Gift of the Grow said:
well i can definitely say its not dry because drying starts at the tips of the leaves, and your leaf tips are green yet.

I'd put my money on nute burn. have you recently changed the amount of nutes you give 'er?
Click to expand...

ive changed the nutes by only a small amount EC 0.2
 
Z

zeny

Member
My old leaves that don't get enough light turn more yellow and droopy then they dry out. You can drop a few bucks and pick up supplemental t5 lighting and try to allow the bottom leaves and bud sites they form to grow out a little. I wouldn't worry at all about the first 2 sets of leaves though, usually they are small as shit and can't branch out. I find the bud sites that come from them are also smalllll even with side lighting.
 
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