Brown spots please help me.

here are a few pics of the plant, camera sucks so its hard to see but shes only about 3 inches tall and yes they are all the same strain in the same system and this is the only one showing these signs.

Hmmm....interesting....I'm sticking with overfed though..notice that your leaves are drooping, even on the plants in the back ground..but it does look strange that it is the middle of the leaves, but back off the nutes a little anyway...and make sure that your pH isn't changing a whole lot..sometimes in DWC buckets you can get a lot of pH drift and that can cause some zany issues

my ph is changing often due to the fact that i work alot. i normally bring it down to 5.5 and by the time i come home from work its 5.9 so i bring it back down to 5.5 or 5.6 again so im only adjusting once a day. ill back off the nutes by draining some of the solution and topping off my tank with straight h20 maybe?

Originally Posted by missnu

Hmmm....interesting....I'm sticking with overfed though..notice that your leaves are drooping, even on the plants in the back ground..but it does look strange that it is the middle of the leaves, but back off the nutes a little anyway...and make sure that your pH isn't changing a whole lot..sometimes in DWC buckets you can get a lot of pH drift and that can cause some zany issues

ok so I think I may have found the problem. My airstpme was positioned right below the problem plant so I'm thinking that caused a nute buildup in the hydroton. I moved the stone and also drained some of the nute solution from the res and replaced with fresh water to bring the concentration down a bit. Could a buildup have been my problem? Comment guys I could use some help.