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I just got this Afghan strain from a buddy and by week 2 it started to get a lil brown on all the new growth. Now i'm in week 2 of flower and now they've gotten worst. I'm doing dwc, ph 5.6, supernatural bloom mix. I've seen a lot of pest and mildew but never seen anything like this before...

Hi, I'm in the 3rd week of veg and all the new growth is starting to die off or turning brownish. I'm doing dwc, 900ppm ph 5.8, strain is an Afghan crossed. It's starting from the bottom and moving it's way up. the fan leaves are even curling up really bad. Here's some pictures. Thanks in advance!

biggitty bump!

i'm in my 4th week of flower, doing dwc, 700-800ppm, ph 5.4-6.0, strain sour grapes. seems like the deficiency always starts about the 2nd week of flower. i'm using ro water but i add about 150ppm of ca-mag back in. it's a new strain i just started so it's something specific with this strain...

damn bro, hope u don't have aphids! i battled them for 6months and lost. scraped everything and started over. don't use h202 just stick with zone. what you using for nutes and additives? keep it real simple and don't use any organics.

everything was pretty until i added gnatrol, 100ppm of GH micro and 400ppm of supernatural bloom. then 2 days later i get this deficiency. anyone know what this could be? thanks

i just got done transplanting these ladies into my waterfarm buckets and now they're stressed. i just topped them before going in so i'm thinking it might be that. i never remember a plant stressing out bad like this from topping tho. kind of look like over watering but these bitches are 24" and...

anyone have any ideas?

first i thought this was spider mite but now i honestly don't know what it is. any clue wth this is? thanks in advance!

is it normal for pure RO water nothing mixed in it and when it sits for 4-6 days non aerated it starts to create a cloudy film on top of the water? i have nothing inside the rez or mixed any nutes but still gets this weird slimy film on the top of the water. what the heck is it?

hey thanks all for the replies! i got this strain from and older friend that's been doing very well it. i'm doing everything he's telling me but it's just stressed out for some reason. i was thinking under feeding it but he told me not to go over 350ppm. so iono what to do! any other possibility?

I've been veggin for almost a month now and I can't get these bastards to take off. I had problems with my previous plants not growing as fast due to either aphids or gnats. So I tore down everything and started over with a new strain and it's still growing slow for me. Right now I got Kush in...

anyone else have an opinion? thanks again!

hey thanks guys! the thing is my ph is perfect 5.2-5.8. can't be heat stress cuz i got the light 2ft away from the top of the plant. i am using ro water with no calmag. maybe that's y? thanks guys!!

now i'm thinking it might be zinc deficiency. here's a pic i found online with zinc deficiency.

what do you guys think? i'm thinking it might be magnesium deficiency? if so, what's the best method to fix it? i'm doing hydro rdwc. Thanks guys

I got gdp in rdwc and on my 3rd of veg. they dont seem to be looking as green as i want it to be. my water temp is around 68-69, ppm 690, ph is 5.2-58. feeding them ro water with gh 3 part mix. so it looks like it's light green where the viens are on the leaf. i hope these pic will be enough for...

i'm having problems with my roots dying off. i know when using grodan cubes you can't keep them saturated at all the times or else it pretty much suffocate the roots. so i don't keep them wet at all besides the initial soak and if it gets too dry i top feed it. so it's been almost 3 weeks now...

yea bro! i still get the damn rot with the chiller. i'm thinking it's root aphids that's creating the rot. cuz my water is constantly around 67-69f. i have plenty of air going to each bucket. i'm doing rdwc with just a base nutes and zone now. hopefully i'm good! any tips??

so i've been having problems with root rot. i was told to use both sm90 and dm zone. i've been reading a lot and it's either u use sm 90 or dm zone and not together correct? it's been frustrating cuz i have a chiller and keep my water temp around 66-69 and still getting this root rot crap. is it...