anyone know what this is???

max316420

max316420

Well-Known Member
almost 3 weeks into flowering
Fox farm growbig 2 teaspoons per gallon first waterings and last watering 3 teaspoons AN sensi bloom plus 1 teaspoon ffgr
3000 watts hps
1000 ppm co2, burner
ac
almost sealed envir
promix without food
ph 6.4 water temp was about 60 degrees
 
fabodnickMD

fabodnickMD

Member
max316420 said:
I'm thinkin cal\mag def????
Click to expand...

......................That's a maybe, I see it as more possibly a phos burn under the stated 3k.....I could be wrong, but three weeks in at that level of nutes it could be that there is TOO MUCH root uptake for the plants to handle at this point and backing off slightly may be in order.......you al so may be experiencing a fungus of some type.....whats your humidity?
 
max316420

max316420

Well-Known Member
45% rh, I have a environmental controller with dehumidifier so it's never over 60%, I also run a co2 burner at 1000 ppm
 
max316420

max316420

Well-Known Member
i also might have made a bobo cause I know my water temp was like 60 degrees when I watered them and the only reason I used it when it was so cold is because I had to leave for a few days and didn't want them to dry up while I was gone
 
coopdevillan

coopdevillan

Well-Known Member
Hmmm I agree on the cal/mag but this isn't my area of favor lol. I've had problems that were cal/mag as well that looked like this.
 
max316420

max316420

Well-Known Member
anybody know if you can foliar feed with calmag? Just watered so probably won't be able to water for a couple more day and DON'T want this problem getting any worse in the mean time....
 
coopdevillan

coopdevillan

Well-Known Member
Yes u can. I have been doing it last couple weeks. carful not to burn and try and spray under the leafs ;) Hope this helps
 
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