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Should I worry?

DFWmd
DFWmdstarted grow question a year ago
A couple days after flipping to 12/12… I see yellow edges to new leaves. Should I worry? Wait a bit and see? The other plant looks fine and they’re both getting same nutes.
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Leaves. Color - Yellow
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Sciolistic_Steve
Sciolistic_Steveanswered grow question a year ago
did you change your formula? that would have a bigger impact than light schedule change and the first thing to assess. could be start of k-deficiency. or a molybdenum deficiency -- which if it is Mb, more likely pH-caused or nute lockout as it is rare to have a trace element issue (Mb). These are the only things that progress around the serated tips like that. ph/lockout always a possibility for any issue seen, but in these cases you usually see more than 1 symptom at a time unless a very minor imbalance at play. phosphorous and potassium have an antagonistic relationship. i didn't do the math but eyeballing the addition to 10-30-20 in lieau of 15-5-whatever could have caused this... you'd have to calculate the ppms of it all and see just how high did P go? if 100+, getting near a point where it will lockout other stuff, i'd wager. just because a symptom didn't occur immediately after a formula change doesn't mean it wasn't caused by it. the longer it takes to reach that new euilibrium just means it was off by a smaller amount. any formula change will take a while to flesh out equilibrium, even if you have fully transistioned the substrate to teh new formula.. the metabolism of the plant is the key here... however tha tplays out over time.. fewer symptoms /slower progressing jsut means you are closer to a better formula and only minor adjustments needed to get there.
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KushParty
KushPartyanswered grow question a year ago
Ich würde über oder unter Düngung sagen Zu viel Licht könnte auch sein
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Sciolistic_Steve
Sciolistic_Steveanswered grow question a year ago
"a lot of people..." always run from this type of statment. in sales this is often used to manipulate people. i don't think that's why they use it here, but it is false logic for the same reason. people like to follow the herd. it's normal human behaviour, but that doesn't make it smart behaviour.
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Roberts
Robertsanswered grow question a year ago
Its light burn. Too close or too bright one of the two.
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Organic23
Organic23answered grow question a year ago
to check 1.too hot 2.bright light 3. lack of humidity
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DoughHead
DoughHeadanswered grow question a year ago
Super dark green fan leaves. And new growth is looking yellowing with burnt tips. It looks like it's been over fed. I would do a flush. Alot of people do a flush when transitioning into flower anyways. Check runoff ph and ppms. Make sure you get them within range and follow flush with a half strength feeding. Toss in some recharge with it to get the root zone in a healthier state and go from there.. Nitrogen needs are less when in flowering so I would pay attention after the flush and not over feed N again. Goodluck Please consider selecting me as the answer so I can be entered for a chance to win grower of the month contest I would really appreciate your support growmie 🙏 😃
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