Dark Green leaves curling .

Cesar300_

Cesar300_

Member
Hello Guys this girls are in week 3 of flower . I’m growing in coco Using 5 gallon pots . I’m feeding 10 mil per gallon of each mills a and b , cal mag 5 mil per gallon and big bud 2 mill per liter . Temperature with lights on is 75-79 Temps with light off 65-71 . My humidity is around 50 . It looks like nitrogen toxicity or maybe nutrient lockout ? I’m feeding at a ph of 6.0 . Some of my plants do dry pretty quick. Runoff ph is 5.7.
 

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arcalion

arcalion

Well-Known Member
Yeah you should have a wand that checks e.c; easier to manage and know when you're putting into the feedings; plus over time salt builds up so you need flushes with lower nutrients; I wouldn't be surprised if you were by 3.0 e.cs, but your stems look super green and nice
 
C

Chief flat foot

Member
Cesar300_ said:
Hello Guys this girls are in week 3 of flower . I’m growing in coco Using 5 gallon pots . I’m feeding 10 mil per gallon of each mills a and b , cal mag 5 mil per gallon and big bud 2 mill per liter . Temperature with lights on is 75-79 Temps with light off 65-71 . My humidity is around 50 . It looks like nitrogen toxicity or maybe nutrient lockout ? I’m feeding at a ph of 6.0 . Some of my plants do dry pretty quick. Runoff ph is 5.7.
Click to expand...
Nute burn
 
C

Chief flat foot

Member
Cesar300_ said:
Hello Guys this girls are in week 3 of flower . I’m growing in coco Using 5 gallon pots . I’m feeding 10 mil per gallon of each mills a and b , cal mag 5 mil per gallon and big bud 2 mill per liter . Temperature with lights on is 75-79 Temps with light off 65-71 . My humidity is around 50 . It looks like nitrogen toxicity or maybe nutrient lockout ? I’m feeding at a ph of 6.0 . Some of my plants do dry pretty quick. Runoff ph is 5.7.
Click to expand...
Looks like a fresh feeding a couple of days later. Giver a 5.7 tap or RO. 2 gallon shot then give it 1/4 strength this time.
 
C

Chief flat foot

Member
Cesar300_ said:
Hello Guys this girls are in week 3 of flower . I’m growing in coco Using 5 gallon pots . I’m feeding 10 mil per gallon of each mills a and b , cal mag 5 mil per gallon and big bud 2 mill per liter . Temperature with lights on is 75-79 Temps with light off 65-71 . My humidity is around 50 . It looks like nitrogen toxicity or maybe nutrient lockout ? I’m feeding at a ph of 6.0 . Some of my plants do dry pretty quick. Runoff ph is 5.7.
Click to expand...
1/4 strength AN
 

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Cesar300_

Cesar300_

Member
HydroKid239 said:
Water til run off between feedings. More run off than with feeding.
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Honestly on some plants I don’t really get that much runoff . Some guy just told me that if I don’t get at least 20 percent runoff the plant will eventually get nutrient lockout .
 
Cesar300_

Cesar300_

Member
arcalion said:
Yeah you should have a wand that checks e.c; easier to manage and know when you're putting into the feedings; plus over time salt builds up so you need flushes with lower nutrients; I wouldn't be surprised if you were by 3.0 e.cs, but your stems look super green and nice
Click to expand...
arcalion said:
Yeah you should have a wand that checks e.c; easier to manage and know when you're putting into the feedings; plus over time salt builds up so you need flushes with lower nutrients; I wouldn't be surprised if you were by 3.0 e.cs, but your stems look super green and nice
Click to expand...
My ec should be below 3 ? Sorry don’t know much about ec . I will go get a wand at my local hydro shop .
 
Cesar300_

Cesar300_

Member
Guys so I been feeding at a ec of 0.8 and with a 6 ph my runoff is reading 2.0 ec should I keep flushing ??? Pretty sure is a salt build up
 
C

Chief flat foot

Member
Cesar300_ said:
Guys so I been feeding at a ec of 0.8 and with a 6 ph my runoff is reading 2.0 ec should I keep flushing ??? Pretty sure is a salt build up
Click to expand...
Seems like it. I shot mine in the tub kept adding plain tap water and draining till the water came out clearish. I think I used 6 gallons But I just kept dumping and draining. Ph’d last 2 gallons then added my nute mix.
 
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