Stunted grow, green veins, burned tips: diagnose please?

It is very easy to drown the roots of even a seedling. If you are keeping the roots wet, this can easily be the result.
 
ren7o said:
Wou guys, thank you all for useful tips! I will definitely look at your watering tutorial @Emilya! I suspect there could be the problem down there with roots so I ordered Bat Guano to help them recover.
Is there anything I can do more for them?
Click to expand...
I am not sure that Bat Guano is what you want to be using at this point. Giving mild doses of a Potassium fertilizer might be better since it will help with overall health of the plant including the roots. Possibly look into some of the liquid Kelp products with a decent level of water soluble Potassioum Once the plant gets healthy then the Bat Guano and nitrogen fertilizers will help the plant without causing problems.

Just my thoughts.
 
uderover.jpg
 
SmokingWings said:
I am not sure that Bat Guano is what you want to be using at this point. Giving mild doses of a Potassium fertilizer might be better since it will help with overall health of the plant including the roots. Possibly look into some of the liquid Kelp products with a decent level of water soluble Potassioum Once the plant gets healthy then the Bat Guano and nitrogen fertilizers will help the plant without causing problems.

Just my thoughts.
Click to expand...
Thanks a lot will look at that Kelp!
 
Chronic cultivator said:
In case you missed my message...this is a magnesium deficiency...use cal/mag in every watering...also make sure your ph is correct...between 6.0 and 6.5 for indicas...also food ppm should not exceed 800ppm until they have healed. Best of luck.
Click to expand...
Thanks! Will add CalMag on next wattering! My tap water has EC 40 is this the case?
 
Chronic cultivator said:
You are dead wrong...these plants will herm guaranteed...too much stress...try a moisture meter instead...
Click to expand...
Funny that... I do this all the time. I don't get hermies. If I did this in bloom, I might expect problems, but a plant in veg will adapt to most anything we do to it, even stress this severe. In my journal I posted the next day picture of this same plant, and you can't tell there was ever any stress. Contrary to your well meaning but incorrect advice, running the plants to drought is a very common practice, especially in veg to encourage rapid root growth, but also in bloom occasionally to produce more trichomes. If this were guaranteed to cause hermi, we would all know not to do it.

Secondly, a moisture meter tells you very little. It shows either moist or wet... there is no inbetween showing somehow a magical time to water. The only thing a moisture meter can tell you is where the top of the water table happens to be. You can use that method if you make sure not to water until the water table has fallen to the last inch or so of the container, and by that time you will be experiencing a little bit of droop... not as dramatic as I have shown here, but there will be some in the lower leaves.

One final bit of advice for our new poster, and welcome to the forum by the way... One must be very careful to be sure of their facts before they use words like "guaranteed" in online forums.
 
Emilya said:
Funny that... I do this all the time. I don't get hermies. If I did this in bloom, I might expect problems, but a plant in veg will adapt to most anything we do to it, even stress this severe. In my journal I posted the next day picture of this same plant, and you can't tell there was ever any stress. Contrary to your well meaning but incorrect advice, running the plants to drought is a very common practice, especially in veg to encourage rapid root growth, but also in bloom occasionally to produce more trichomes. If this were guaranteed to cause hermi, we would all know not to do it.

Secondly, a moisture meter tells you very little. It shows either moist or wet... there is no inbetween showing somehow a magical time to water. The only thing a moisture meter can tell you is where the top of the water table happens to be. You can use that method if you make sure not to water until the water table has fallen to the last inch or so of the container, and by that time you will be experiencing a little bit of droop... not as dramatic as I have shown here, but there will be some in the lower leaves.

One final bit of advice for our new poster, and welcome to the forum by the way... One must be very careful to be sure of their facts before they use words like "guaranteed" in online forums.
Click to expand...
Hello there @Emilya :ciao: Thank you for all your hints! I will try to educate to be a better grower!
 
Chronic cultivator said:
It looks like there are small white eggs on the leaves...maybe its something from the lense.
Click to expand...
Emilya is right on the mark, drying out that rootball not only doesn’t cause any hermie problems it leads to explosive root growth. When the roots dry they send out hundreds of tiny feeler roots in search of water. These small feeders all become a solid mass of roots.
 
This is my result from the the day I started it drying (16th Tuesday). I got new growth but still marked with yellowed stains. I am still afraid there is something wrong with them... Those yellowing doesn't let me sleep.
IMG_20210321_144233.jpg
 

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