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[Rayan1a]

Please help me. Why are my plant leaves changing color? Is my plant dying?

[Bluey]

Start a grow thread by starting another topic and go from there

[420RPM]

[420RPM]

Bluey and Gingerbeard!
Many thanks for your advice. I'll keep the dome for a few days and watch carefully what happens. I've also ordered a cheap humidifier which will arrive early next week.

[Bluey]

Yes it will help a bit but what happens very fast is they grow tall and lanky without a breeze pushing on them, so it's a compromise.

Maybe giving the soil a flush would be best but I've never grown with that soil so not sure. The burn doesn't look terribly bad and was hoping as the plant matures over the next couple of weeks it will adjust and then explode.

Yeah, 55% much better than 42% but still not where you want it. That's pretty typical of the wet towel approach.

[Gingerbeard]

Perfect. Make sure the plant doesn't touch the sides.
Let's talk about this for a sec. I don't dome so I don't know. Turn the bottle into a sort of chimney by cutting a couple dime-size holes in opposite sides. Will this help with humidity while still allowing air flow?

[420RPM]

I made a dome from coke bottle just before i went to work. I hope it will work and doesn't get too hot for my little girl. The wet towel and a fan only raised humidity to 55%.

[Gingerbeard]

I think you are the only one who has ever called me GingeMinge. I would remember.
And the Biobizz thing. People are running into troubles with fresh.

[Bluey]

As the GingeMinge said. A dome, preferably ventilated, will bring the RH up to around 80%, so a clear top cut off a dring bottle with the lid removed will achieve that. Ventilated it well with a few extra holes and that will give maybe 70 odd %.

The longer you leave the dome on though the taller and lanky she will grow increasing the chance it will just fall over if left on too long.

[Gingerbeard]

Hmm... Biobizz. You too, B-diddy. That VPD thing. But Biobizz, again. That stuff keeps coming up hot for seedlings.
Is it too late to dome to trap humidity?

[420RPM]

Oki!
I'll give the wet towel a try and see what happens.
Thanks for the help

[Bluey]

Place a wet towel in the tent and blow a breeze over it. Sitting the bottom of the towel in a bucket of warm water will help it wick. That's about it. A humidifier works best of course.

You could also flush the medium with a bit more water but I wouldn't do that. It will help raise humidity and make the soil less hot but that won't be great for later stages of growth.

[420RPM]

Thanks for quick reply!
Is there any easy way to raise humidity without buying a humidifier?

[Bluey]

Raise your humidity to around 75%. Temps are fine.

You have a very high VPD that is driving nutes into the leaf tips and burning them. Hot soil adds to it.

[420RPM]

Help!
I'am a first time grower and worried about the yellow tip and spots.
Setup:
300w led running at 50%
Distance to plant is 100cm.
Climate 42% and 24C in a 90x90cm growtent.
Good ventilation with carbonfilter.
No water in two days.
BioBizz all-mix in 11liter Air-Pots.
Northern lights auto.