Brown Spots On Plants

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LowRyderMan

Active Member
Over the past few days i have noticed a few brown spots developing on the leaves of my plants. I am growin in a DWC hydro system with a ph of 6. the strain is lowryder #2. I change the resivore once every week, and check the ph daily.the plants are around 15 days old. OK Got some pics up finally. plants still seem to be gettin bigger every day, but also gettin more spots every day i do not no what to do any suggestions.
 

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D.Hydr0.DGAF

D.Hydr0.DGAF

Well-Known Member
Jus click "Go Advanced" if you're in Quick Reply and Browse and Attach images.
+----+
I'll get a screenshot if you need one.
 
smokeybandit22

smokeybandit22

Well-Known Member
well something is def up considering they are only 15 days old, are big for their age and already experiencing problems.
my guess is u have not started nuting yet and they are ready-earlier than usual. or the opposite- u r feeding them too strong.
which one? and ur ph tester-digital or droppers?
 
L

LowRyderMan

Active Member
I Gave my plants nutes last time i changed my water. I only gave them half strength. The plants were starting to turn yellow so i decided they needed food. a few days after i gave them nutes they turned back to a nice green colour. now they started with these brown spots. also i use the ph test drops that range from 8.5 to 4.0. should i maby change my water and give them even less nutes?
 
smokeybandit22

smokeybandit22

Well-Known Member
how do ur roots look? if anything I would prob try 3/4 nutes. the spotting does not look like burn, possibly ph issues but u have that under control right?
 
smokeybandit22

smokeybandit22

Well-Known Member
if ur growing DWc, you def need an EC meter or at the least a ppm meter. when was the last time you changed res/added the nutes?
 
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LowRyderMan

Active Member
The last time i changed my res was almost a week ago but the brown spots have been here for a while. i lan on changing res every sunday. My roots are lookin good as far as i no. they are lookin healthy and white. i can get u a picture if necessary.
 
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Mr.Chemist

Active Member
i had the same problem i just added more water to my res good pure ph water cause it might be to much nutrients and a good spray down with ph water daily
 
NewGrowth

NewGrowth

Well-Known Member
Root issue most likely. There is inadequate root zone aeration, contamination, or your res temps are getting high. The higher the water temp the less dissolved Oxygen it can retain. Good luck :peace:
 
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