Is this cal-mag or potassium deficiency

youngwun11

Well-Known Member

Apr 8, 2021

• #1

Please help week 6 of flower I don’t know what is going on

 

Bukvičák

Well-Known Member

Apr 8, 2021

• #2

Can you tell us more about your setup? And start with light and medium please

 

youngwun11

Well-Known Member

Apr 8, 2021

• #3

Bukvičák said:

Can you tell us more about your setup? And start with light and medium please

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4x 1000 watt hps turned to 750 I use bush doctor coco loco and mills nutrients plus cal-mag

 

youngwun11

Well-Known Member

Apr 8, 2021

• #4

Temps stay between 73 night 79 day all lights are cooled and have a mini split humidity it stays around 50

 

Bukvičák

Well-Known Member

Apr 9, 2021

• #5

youngwun11 said:

4x 1000 watt hps turned to 750 I use bush doctor coco loco and mills nutrients plus cal-mag

Click to expand...

Hmmm, I dunno about that nutes and medium, but based on the pics I would say it has close connection to the light as I see marks of light burn on affected leaves.

 

go go kid

Well-Known Member

Apr 9, 2021

• #6

sure looks like heat stress, but its affecting lower leaves as well as ones closer to the light. its uneven so it could be something else. sorry cant hrelp more

 

S

Sokofofat

Active Member

Apr 9, 2021

• #7

Looks a lot more like its a potassium deficiency to me.