Supplement CAL MAG ?
CaptainCreamstarted grow question 6y ago
If I had a Cal & Mag deficit and replenish it with liquid supplements after about a week, will the plant recover? If so, after what time?
or Maybe you think its something else? NOT CAL MAG ?? Help me ... ;)💩
Solved
Leaves. Color · Yellow
Leaves. Color · Dark-brown
likes
Athosanswered grow question 6y ago
Calcium deficiency shows on newer leaves, not older ones so it is not that. It looks like a textbook magnesium deficiency, but there's a few thing you need to keep in mind before rushing to buy cal mag or similar. First magnesium absorption is locked out when you overfeed potassium (K) or phosphorous (P) (flowering nutes) so be sure it is not an issue of overfeeding; also magnesium deficiency exists 4 to 6 weeks before it shows like in your pictures, so it will take a while before it looks like it is getting better. Your source water needs to be around 0,5 EC (250 PPM), if it is much lower, then you will have to supplement calcium and magnesium.
Similar Grow Questions
Solved
SupportiveMango
What nutrient deficiency is this?What nutrient deficiency is this? Or is it nutrient burn? I'm watering with 5.5 PH using half strength Nutes, Root booster & Calmag. I don't think it relates to spiders mites since I can't see any with my 30x magnifier. Thank you so much in advance.
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Other. Bugs
5y ago
3
3
Solved
zaMaurice
Hey, on my biggest plant, the leaves are starting to turn yellow from the outside and getting brown spots. Is that a sign of over-fertilization? All the other plants don't have this. Or is it too little?
Leaves. Color · Yellow
Leaves. Color · Dark-brown
3y ago
2
2
Solved
pijnkman
As you can see, the first two plants look quite good while the last two leave something to be desired. The leaves on the back left are curling downward andand yellowish at the tips (in places). What could be the reason? I ordered some epsom salt to try it out (sulphur). I grow in floragard proffesional growmix (grown in lightmix from biobizz) and have so far only “fertilized” with supervit, otherwise only pH-adjusted water. pls hlp
Leaves. Curl down
Leaves. Color · Yellow
Leaves. Color · Dark-brown
1y ago
4
Solved
romi27
What kind of deficiency? What should I do? By the way, they're autos.What kind of deficiency do I have going on here?
I gave a good dose of calmag last night. The first signs were the dark spots on the leaves.
Been feeding ff bloom nutes every other day, 1/4 to 1/2 strength.
started from the bottom. Leaves turn yellow and then dry up.
5y ago
3
3
Solved
OrganicRepresent
Yellowing leavesNot sure if is issue yellowing leaves on my pot 3.
Same strain pot 1 got slowly bottom leaves yellowing, pot 2 have nothing yellowing yet just pot 3 accelerate with it. Pot 3 veg with indica flower as sativa crazy genetics. What can be issue? Its end of week6 flower.
6y ago
1
Solved
jbirdstheword
Browning spots after H202 rinse.Hey guys! My first dwc and I’m having an issue. So after about a week my water was cloudy. I rinsed and washed the bucket, fixed the area where light was getting in. Then I rinsed my cube and plant with H202 3%, 1/3 to 2/3 water. Changed out nutes but now look like this. ?
Leaves. Color · Yellow
Leaves. Color · Dark-brown
4y ago
2
3
Solved
Wscook07
Yellow/Brown leavesI've got some brown/ yellowing leaves scattered around the plant. Growing in hydro, about 3 1/2 weeks old. Thanks in advance for any help.
Leaves. Color · Yellow
Leaves. Color · Dark-brown
6y ago
3
4
Solved
Dawel
Puntas y bordes amarillos/marrones ¿Carencia de Potasio?My plant started flowering about 2 weeks ago and I noticed that the tips of the leaves are turning yellow, the older leaves have become somewhat pale, and the tips are going from yellow to brown. There are also brown spots on the medium-aged leaves. K deficiency?
Leaves. Color · Yellow
Leaves. Color · Dark-brown
4y ago
4
3
Solved
IceeTea31
HelpWhat is the issue? do they need calmag or should i flush them?
if i should flush them what ph should this water have?
Leaves. Tips · Burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
2y ago
5
5
Solved
Powerplant
Yellow and crusty leavesHey dear community,
Why is my plant not recovering? I even adjusted the ph of the watering and add cal mag. Every week it’s getting worse and I don’t see any improvement. I use the fertilizer from Bio bizz and light is far enough away from the plant. Temp and humidity are fine
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
7mo ago
3
3
Solved
Costosito
Hojas se amarillean o queman bordesI've noticed for a few days that the leaves of the plant are turning yellow or looking like in the photo. I'm not sure if it could be some kind of deficiency or lack of nutrients since I haven't fed it more since the last time, and it's taken on a lighter color.
5y ago
2
2
Solved
Aonjacktallbeck
Ph problem?Is this a ph problem or something else? My meter doesn’t seem to be accurate. I’ve been feeding top crop veg once a week and ph 6.3 (soil), my run off was a bit high, a gave just plain water (ph 7) but no help. Photos from two plants. Heeelp
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Feeding. Deficiencies
6y ago
1
1
Solved
Frm11001
IDEAS?! double cookies auto BSFI had too much N at the beginning of the flowering stage, I did a root flush and everything got worse! Now, almost 1 or 2 weeks from finishing flowering, she looks like this. After the root flush, I continued with fertilizers normally just like the others and the others are in good shape!
Leaves. Color · Yellow
Leaves. Color · Dark-brown
Plant. Stem · Red or purple
6y ago
6
Solved
Coconut_kiss
Rusting leaves since week 9Affected leaves on top. Rusting leaves,some have purple stems,week 10 check out diary for more info
also some bottom leaves have been dying off
Leaves. Color · Yellow
Leaves. Color · Dark-brown
5y ago
1
2
Solved
AkagamiWP
What am i doing wrong? and what shall i do?form a month i keep having a problem with my plants. the leaves are getting brown spots then they get all brown and start to crumble. i flushed the plants 2 times and no improovment. the watering ph is 6.45. i'm using advanced nutrients that i always used. temperature is 25 degre
Leaves. Edges burnt
Leaves. Color · Yellow
Leaves. Color · Dark-brown
3y ago
2
4