New Grower Leaves curling and canoeing

[Chad Wilson]

Problem: leaves are curling and canoeing

Medium/grow method: Pro-Mix hp with worm castings and perlite

Feed: and supplements used:Advance nutrients sensi bloom A & B, cal mag

water source: rain water

Strain/age: White widow auto/ 3 weeks

light used: diy Samsung led 220w @ 24”

Climate: 66-67 f* 55-65% lights off, 70-78 f* 45-55% lights on

Additional info: started feeding nutes @ 1ml per litre 6 days ago. Have had 2 feeds this week.

Looking for some advice as to what is going on with my plants. They have seem to start looking like this over the last few days.

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[Waira]

- how frequently are you feeding? Has the mix been kinda saturated with moisture? How far away are the lights?
...looks like a possible over-watering issue, less likely some N-toxicity unless it's been swimming in feeds,.. be mindful of that Ca-Mg, it very N heavy for a supplement...
That said, young leaves can do some odd things, and still may flatten out some as they grow and mature, so nothing to sweat here in any case...
Promix is "soilless", devoid of many good things that true soil has.... consider getting a Si supp', humic-fulvic and inoculants; all these will help with nute uptake and availability!

 

[Chad Wilson]

I’ve gave 2 feeding of 500ml in a week. My light is currently at 24” above the canopy. I’ve been watering when the soil is almost dry about 2” down


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[Waira]

..lights OK, N-tox' is out, so is overwatering, so see what a few days brings,....