I concur
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Nutrient burn really takes quite a while to work thru your plant and show it's full fury. Most of the damage seems quite old already and the new leaves look fine.
IMHO, it looks like you've recovered well from it. Cheers!
I concur
Plant Update
Well things have gotten worse with the oldest plant and are issues are starting to appear on younger plants as well. CAR2 is the youngest and does not show any browning at this point.
I did some reading on DWC today and found that while I was correct to adjust the PH down into the 5.5 - 6.0 range I was completely off base on the nutes. What I had interpreted as overfertilization I now believe is a nutrient deficiency. My last adjustment was to bring the nutrients down to the 170 PPM level which obviously has not corrected the issue; the browning/yellowing has increased since the change was made.
I received my PH pen today so I can finally take precise readings of PH and PPM. Based on my readings of DWC the suggested range is 600-1000 ppm. Who knew? Maybe I should have researched this earlier instead of assuming lite nutes was the way to go.
As of this afternoon we're online with 640 PPM and 5.6 PH. Let's see what 24 hours of corrective feeding does. If this is indeed a Nitrogen deficiency as I suspect the upper leaves on CAR2 should green up by tommorrow. We shall see...
I'm interested to see your results, because I had decided to definitely go with a light nute regimen myself, based on some things I've read here and elsewhere. But I was thinking 600-700 was "light", not down around 200. Looking forward to you hitting your sweet spot on ppms before I decide on mine...
Thanks for stopping by Bolivar. I think I'm on the right course now, the plants seem to look a little better this morning. Send me a PM and let me know a little more about the details of the setup you are planning.
hi mate in some of the pics the tips look gold ? is this indeed brown ? all your tips of leaves facing down rite ?.....are the leaves paler green almost like yellow ? have you noticed very slowed growth ? ......does where the leaf is brown ? snap off and crumble ?.......if these symptons are indeed wot your experiencing......it cud be phosphorus deffiency....which is very often miss intrpreted as a nute burn ......i say this as ive just suffered from this myself or at least i think so lol ........hope this helps.........be lucky weedtastic
So... I was just looking back at the photos. I kind of notice, especially on CAR1, the brown spots look more washed out than browning I've seen on my plants. I wonder if that should have been an indicator of the problem. I wonder if browner colors on the effected area indicate burning, while a lighter bleached appearance would indicate a deficiency?
So if you're saying that I managed to both burn and starve my plants at the same time you're probably right! I've got mad skilz
So if you're saying that I managed to both burn and starve my plants at the same time you're probably right! I've got mad skilz
Car1 to Unk2: "This guy's a multitasker. We're doomed."
No, Im not saying that. I'm wondering if the color change we initially saw was a bleaching rather than a browning. I'm looking for a visual indicator between the two. Make sense?
One can actully end up in some burning and starving configurations with nutrient or ph lockout. I'm now thinking that your issues are more just a simple deficiency rather than any fancy combo damage action.
I've really done some horrible things to plants with nutes. It can get ugly quick and hind sight is 20/20 while the issue at hand can seem quite blurry.
Cheers!
JC much improvement! What is the height you are look for to begin flowering at? Glad you got things in control.
Looking much better all around.
The damage will never repair itself. Some folks trim the dead parts of the leaves off. Cheers!
I have learned a bit of patience (and humility) and will just let nature take it's course.