Leaves curving down but leaf edges cupping up?

tyler.durden

tyler.durden

Well-Known Member
Doesn't look like any burn going on with your tips, may be excessive heat. What's the temp and humidity in there?
 
ELRooster

ELRooster

Member
My temp is running between 75-78 and humidity is at 40. My PH has been dropping to about 5.5-5.6 and I bring it back to 5.8-5.9. PPM is at 1600.
 
ELRooster

ELRooster

Member
Water temp is 69, I have had the nutes lower in the past but then I get opposite cupping because of magnesium deficiency. These are in 4th week of flower and 4 feet tall.
 
70's natureboy

70's natureboy

Well-Known Member
I think they look pretty good. They look like they are about maxed out on nutes though. I think you could cut it back just little
 
ELRooster

ELRooster

Member
I think I will try the epsom salt I have heard that might work. The only other thing I can think of doing is instead of flushing every 7 days Is try and flush every 5 days so I can lower PPM but they would get a fresh load of nutes more frequently. Thanks for the replies
 
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