The Grow Awards 2026 🏆 
nute burn or deficiency
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Caukygrow
Issue with leaves (canoeing, lime green tips, burnt looking leaves)Hi, I’m still having issues with my plants (mostly the smaller one) canoeing leaves, burnt looking tips and most recently mine green tips. I feed / water every day, have my light on 60% I introduced calmag and recently a bloom. Please see my diary for the nutrients I’m adding3y ago
7
4
Solved
TheNoobDude
Nutrient lockout, ph imbalance or nutrient burn?Unfortunately I don't have a ph meter, so my best guess is one or more of these problems: nutrient lockout, ph imbalance or nutrient burn.
The first 3 photos are from an Auto Northern Light and the last 2 are from an Auto Jack Herer.5y ago
1
1
Solved
hempy4me
Nutrient Deficiency - In Flowering PeriodIt is giving me a hard time to upload photos here. In my week 11, there are photos of my deficiency.
Temps 75-80
Using well water at 500 ppm and 7.3 ph.
GH gro-micro hardwater-bloom @
5-10-15ml./gal. at 5.7 ph.
Plan on watering til run off today, as I never tested/had any run off5y ago
2
2
Solved
enjayrando
Older growth showing issues, plant growth diminished. Ph and light distance good.Mostly older growth effected, and continues to worsen, Thinking underfed. In Coco, water ph 5.8, runoff within 100ppm to input. Feeding around 700-750ppm 4.5gpg megacrop 1part, .7gpg bud explosion, .5gpg epsom salt, and 1ml per gal calmag. Have been around 700ppm most of veg.Leaves. Edges burnt
2y ago
3
Solved
Cannaisseur90
Cant figure this outAny input on this issue?!?! Can't figure out problem i keep facing. Starts in flower around week two. Auto in soil only fed once and added fox cal mag a few times.Leaves. Edges burnt
Leaves. Color - Yellow
Leaves. Color - Mottling
10mo ago
12
11
Solved
Pierrodelalune
Partially Dry leaves in grow phaseHello there,
What's wrong with my leaves, I have a few ones in my box, I m in Coco and in grow phaseLeaves. Edges burnt
Leaves. Curl up
Leaves. Twisted
2y ago
2
2
Solved
Rams3s
What happen?Can somone tell me what happen to my love??
much/less light? Carence ? Excess?
Im at the end of the strench (3th week of bloom)Leaves. Edges burnt
Leaves. Curl up
Leaves. Color - Dark-brown
3y ago
1
5
Solved
spiderdijon69
Slightly Brown Crinkly TipsDose anyone know what could be causing this browning at the leaf edges? It is a bit dry and crinkly to the touch. This is only on the bottom two fan leaves, and only the very tips. All the newer growth looks fine. Nutrient Burn maybe?
Should I be worried, or adjust anything?Week 2
Leaves. Edges burnt
4y ago
1
1
Solved
Bam91
Aiuto come posso rimediare?Brutte carenze sulla ragazza , uso fertilizzanti bionova , e seguo i dosaggi, cosa dovrei fare?Leaves. Edges burnt
Leaves. Veins - yellow between
5y ago
1
2
Solved
GaiaGanjas
newly exposed leaf locations are yellowlight burns and yellowing appear on the tips of the rain.
there is an intense yellow color on the newly released jam leaves.
I applied calmag last week, is it too much?
Do you think I will make the next 2 irrigation without fertilizer?6y ago
8
7
Solved
MantisMan
Yellow edge with brown spots on fan leavesI am wondering if anyone could help me figure out what is going on here. She’s been healthy all grow, but in the last week has started showing the weird yellowing/browning on a few leaves. The temps, nutes and light haven’t changed really. Anyone have any idea what this could be?5y ago
1
2
Solved
That70sDude
New growth with yellow on the leaf edges is spreading. I have moved the lites to 12", the only change has been from using distilled water for the 1st 3 weeks then started using filtered well water (high sulfur & iron content) Should I switch back? Where to buy?Week 5
Leaves. Edges burnt
5y ago
2
