By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
Accept
Yellow spot on my leaf. :) PH fluctuation ?
Iwanteatgelatostarted grow question 4y ago
(Water change) I had set to 5.5 PH and waited 20 minutes. I put in my fertilizers, everything was fine. The next morning the ph had dropped to 4.7.. So I put it back up. The next morning yellow spots appeared on the leaves. Did you confirm that is due to ph fluctuation ? Thank's
likes
Frigaultanswered grow question 4y ago
Aim for a ph around 6 this way if it drop it will dropbin acceotable range. Ph tends to swing if temps swings but not this much. Also check your ph after your mix your fert. Fertiliser wil drop ph. So if the water is at 5.5 and you add fertilizer it will drop a 0.8 to 1 easily.. i suggest putting ph buffer instead of changing everything. This low ph will eventually kill the plant du to nutrient intake problemes.
MrGreenMananswered grow question 4y ago
5.5 is far too low to start with. Minimum you should aim for is 5.8 in hydro. Like Frigault says, aim for 6.0.
likes
Complain
Similar Grow Questions
Solved
dlw66299
Blue Dream Yellow Leaves and Sex of Atomic Apple?2 questions, having an issue with one of the Blue Dreams, fantastic flowering, purple leaves, lower leaves are now turning yellow. I saw that there is too much light so I turned it down a bit,. But what do I need to do to fix the yellow leaf issue.. 2nd Atomic Apple sex???
3y ago
2
2
Solved
Dr_GrThumb
1st time grower - nute burn? Lockout? Potassium def? Light burn? HELP PLEASEExperiencing some deficiencies/light burn/heat stress. Says SSH likes hot/moist climate. Plants are planted in FFOF Soil, fed them 15oz of nutes yesterday. Using advanced nutrient systems, see above. Light is a SF1000 LED meant for a 2x2 tent. Would that burn them hanging at 20”?
3y ago
6
6
Solved
heythere12345
Yellow leaves and brown tipsHow does it look? Why the yellow leaves and brown tips?
Leaves. Tips - Burnt
Leaves. Color - Yellow
3y ago
2
3
Solved
ZoobZoob_farmZ
feuilleshello someone can help me what happens with the colors of these leaves please
Week 4
Leaves. Color - Yellow
3y ago
2
2
Solved
psuperman
Deficiency or Overthinking?Wondering if this is some sort of deficiency or maybe I’m overthinking? I know I overwater sometimes and I’m trying to get that under control however my other plant doesn’t look like this it’s more solid green. Temp is at 75 daily and humidity is 35-40%.
Week 4
Leaves. Color - Yellow
3y ago
3
2
Solved
Dudders
To flush or to treat?Some yellowing leaves, mixture between cloudy and clear trichomes.
Do I flush from here on in.
Or treat a possible deficiency?
Leaves. Color - Yellow
Other. Harvest - Drying
Feeding. Deficiences
3y ago
3
3
Solved
purgen
Can't deal with yellowing leaves in 4th week of floweringBeen having this problem for a few weeks. I suppose its deficiency of Mag and for the last week or so I've been giving increased portion of CalMag (for 1.5l of distilled water TriPart grow 2.1, micro 2.1, bloom 3, Calmag 12ml). Should I give them more time or its something else?
Leaves. Color - Yellow
3y ago
5
Solved
SkatehouseFarms
Nute burn and yellowing I don’t have a ph pen/meter please help what do I do I’m using mearth coco/perlite and dr earth dry amends and worm castingsdon’t have a ph pen/meter all I have is the general hydroponics ph drops I’ve been waterin at 6.3-.6 ph. my plant is having some yellowing nute burn and I don’t know what to do please help the I’m growin in mearth coco/perlite with dr earth 4-4-4 and 3-9-4 flower dry amends help!
3y ago
2
2
Solved
Jamzy771
First growI am doing my first grow. Now 2 days ago the growth seemed to slow and the leaves curled and went yellow patchy ? Any comments, also attached a picture that's seems to show pistils growing is this normal at week 2 or have I stressed it into flower?
Week 1
Leaves. Color - Yellow
3y ago
1
1
Solved
Xi_Ve
Deficiencies?Is this a sign of Ca/Mg deficiency? Or maybe even Potassium?
Gorilla Glue Auto
Week 8
Leaves. Color - Yellow
3y ago
5
4
Solved
auto_floo
Purple edgesHi Gfam,
What do they need? Or what’s wrong? These purple edges and light green color.
Leaves. Color - Yellow
Leaves. Color - Red or pink
Leaves. Other
3y ago
3
3
Solved
Cannabingrowin
Leave colors on 3 week old clones blackberry Kush in Coco coir and a jiffy diskSudden yellowing and discoloration of a e or 4 week cutting. I water it when I see the Coco getting a little dry. I make sure there is at least 20% of run off water. I watered with pH corrected water to pH of 6. I also add a small amount of canna bioryzotonic for their roots.
3y ago
3
9
Solved
Cremo
Dry spots on sugar leaves, plant late in flowering, also spotted on another one in the same reservoirHi guys,
my plant is around 2-3 week before harvest.
What is the cause of the these dry spots on some of the smallest sugar leaves on my plant?
The ppm might be too much and is around 1200-1300ppm.
PH is 6.0-6.1
I've spotted it on one other plant in the same reservoir.
Thank you
3y ago
5
3
Solved
nicewidow
Bio enhancer yellowingHello when i use bio enhancer i can see my plants are yellowing is it normal ?Week 2
Leaves. Color - Yellow
3y ago
1