Remember it is in hydro so it is being watered constantly.

The plants aren't 2 weeks old they are 2 weeks in veg which is after 2-3 weeks developing roots under fluorescents.

I didn't think overdoing the nutes would have this effect and when it started whilst on 1/2 strength, I felt it was actually a nute defficiency after reading this site.
brainfood33 Reviewed by brainfood33 on . Leaves curling up at edges Hi, I've been growing this Jack Herer from seed and they're just coming up to 2 weeks in veg. Its a hydro setup and they are under a 400W metal halide which is 11 inch from the tallest plant. They have only just made it to full strength nutes after spending the first week getting 1/4 then 1/2 strength before hitting full strength a few days ago. The problem though, is that most of the plants are showing this leaf curl in varying degrees. It starrted on the lower leaves but now new Rating: 5