They are two weeks old, still on 24 hour light. 6 of them have brownish ends, one is pretty bad. I dunno why they are doing this? any ideas?
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Whats wrong with my two week old babies?
- Thread starter Big Bud Bear
- Start date
Two weeks from... planting, or showing above the rockwool? Are two week seedlings supposed to be that small?
Is there any way you can get a more detailed shot?
It shouldn't be any kind of deficiency, are the cotyledons still green? Mine just started to yellow a few days ago, and that's when I gave them their first ferts. My plants are about 3" tall and they're at their 4th internode so I'm not sure if we can compare. One of mine has browning tips of the leaves and it looks kinda like a potassium deficiency, but I'll wait a few more days to see what it does.
Take a look at the sticky in this forum, "The Complete guide to Sick Plants,pH, and Pest troubles!" It has a ton of great info and pictures to go along with it, to help diagnose your plants. It's already helped me with a heat stress issue that I never would have thought about!
Is there any way you can get a more detailed shot?
It shouldn't be any kind of deficiency, are the cotyledons still green? Mine just started to yellow a few days ago, and that's when I gave them their first ferts. My plants are about 3" tall and they're at their 4th internode so I'm not sure if we can compare. One of mine has browning tips of the leaves and it looks kinda like a potassium deficiency, but I'll wait a few more days to see what it does.
Take a look at the sticky in this forum, "The Complete guide to Sick Plants,pH, and Pest troubles!" It has a ton of great info and pictures to go along with it, to help diagnose your plants. It's already helped me with a heat stress issue that I never would have thought about!
they are two weeks from seed
tough to say....
it is suggested to soak the rockwool for a day or so in pH adjusted water...if i recall correctly, they are treated with a fire-proofing of some sort.
this could be affecting your babies...
if not,
>what is your water's pH?
>what is your water's PPM?
>have you given them anything?(additives/nutrients?
>how close is your light bulb(s) to the tops of the plants?
it is suggested to soak the rockwool for a day or so in pH adjusted water...if i recall correctly, they are treated with a fire-proofing of some sort.
this could be affecting your babies...
if not,
>what is your water's pH?
>what is your water's PPM?
>have you given them anything?(additives/nutrients?
>how close is your light bulb(s) to the tops of the plants?
Sleepy said:tough to say....
it is suggested to soak the rockwool for a day or so in pH adjusted water...if i recall correctly, they are treated with a fire-proofing of some sort.
this could be affecting your babies...
if not,
>what is your water's pH?
>what is your water's PPM?
>have you given them anything?(additives/nutrients?
>how close is your light bulb(s) to the tops of the plants?
i used distilled water, i also have not added any nutes
When the true leaves form on the seedling, not the cotyledons or first leaves you see, it is ok to go ahead and fert them lightly. Adjust the ph of the fert water after mixing. Since this is rockwool, you nutrients will have to include everything. Nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, manganese, zinc, copper, boron, molybdenum, and chlorine.
