First Grow Curled Leaves

luiji

Well-Known Member
Hi guys, I'm starting my first grow ever, my babys are about one week old, thei're under a 600w MH at about 60cm, the lamp is on a cool hood. Yesterday I started to feed them with biobizz grow and the soil I'm using right now is the canna professional unfertelized.

I'll leave some pictures of the set up:

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My problem is that a couple days ago they started to curl a bit as you can see in the next image

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What might be the problem?
 
Is it normal for the leave tips to curl like they are doing? Maybe I'm just being paranoid but I really want this too go as close to perfect as I can get from start to finish
 
Mine did that near the beginning before I had a humidifier and I was at <20% RH. Once I got the RH up to 60% she started growing much better.

When I used to grow outdoor, every seedling I wouod plant started with some curl and twist. They'll straighten out
 
they need to be transplanted and they need to be kept evenly watered. go with a 50/50 mix of grow and bloom because bloom is what they need now to grow roots. if that is pure peat it's very acidic check the ph.
 
I'll be transplanting them friday, right now the roots still have some space and the plant is growing really fast
 
But my temps never go higher than 25 celcius
Might want to move the lights back then. One of them was definitely starting to taco. How long has it been since you fixed the humidity problem? Low humidity will make leaves taco sooner. Your leaf texture is a bit rough, but they look like they are improving.
High brix is what you want to achieve before you flip them.
http://www.npk-university.com/resources_BULDING_up_the_Brix.html
 
My RH is always in the 40s range, should i buy something to increase it to 60? Is it worth the money in the end?
 
i like rh to be close to 70 for seedlings and young clones, drop it down to 55 or so for veg, then 40 for flower. i'd keep it 70+ all the way through but it does tend to promote bud rot and pm when the plants start to get really bushy.
look up vapor pressure deficit.
 
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