possible rust fungus...?? need advice

put1inthair

Member
what’s up everyone, this is my first grow ever. so far i’ve been doing pretty good. i had an early on nut def that was hard to get under control. i didn’t get all my 3 series GE nuts until about a month or so in. i’m growing 4 auto flower sour diesels in a 2x4 space under a mars hydro sp250. my soil is ffof wit 30% perlite in 3 gallon smart pots. i’ve been feeding wit a ph of about 6.3-6.5 with calmag and just in the last 3 weeks or so the GE micro, grow and bloom all at about half strength. about a week ago i noticed some rust type lookin shit on one of my girls leaves...?? did some research, didn’t get a solid answer. i’ve cut off most of the leaves that have the ‘rust’ shit on them. i just got my tds meter today so i’m thinking about flushing her out..?!? flushing her out and then possibly isolating her outside are the only two things i can think to do. there’s obviously something wrong wit her (she’s the one to the far left) but she’s still chugging along. ontop of the rust shit she’s pretty far behind her 3 sisters as u can see in the pics. she’s also a fairly dark green. any of my fellow growers got any good advise for me?!? any would be much appreciated. the questionable plant is again to the far left in the pics, u can tell something’s off wit her :(
...o yeah today is day 50
 

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