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My first indoor grow, finally! Still working on a ventilation solution, and I don't really have much in the way of humidity control but I'm not too worried; my lights are cold to the touch for now and I'll toss a few 2L coke bottles over the seedlings for the first few days to keep some humidity on them.
2 pots contain 2:1 Stepwell Supersoil and perlite, 2 pots contain 1:1:1 Happy Frog, Ocean Forest and perlite. 2x 320W Kingbrite LM301H quantum boards @ 3500K (no rspec) in a cheapo Vivosun 4x4 tent. Keeping it organic so only BioThrive once I'm moving into flower in terms of nutrients. Feeding room temperature distilled water for now.
Seeds went into paper towels on November 27th; it took about 2 days for them to germinate and another two to poke up above the soil so I will count December 1st as Day 1 of this grow to keep things nice and simple. My only prior grow is a single balcony bagseed I ran this past season so any comments or advice is more than welcome. Stay tuned for (hopefully) some good updates!
Old fans yellowing between veins and at margins, new growth almost lime green. Very sparse nutes (only twice to date), ~6.9PH, max 26C air temp, 5wk autos in Stepwell supersoil. P excess? Does Ca def affect whole plant or only old growth? See last pics week 5. TIA!
Hello
Do you sometimes water on the leafs?
It just looks like burn marks from water staying still on the leafs when giving water?
Otherwise it can be chelated nutes in your soil.
Maybe a flush here would do the trick.
Give 2 times flush water. And the third time give a little bit of nutes again.
Hope this helps!
Kindly regards
Thanks for the comments! I'm smacking myself in the head right now, I had it in my head that you wanted a PH level around 7.0 but after re-reading it looks like 6-7 is the right range. I'll be sure to keep the PH lower going forward. I'll pick up some CalMag in a bit if needed but there should still be plenty of goodness left in the soil.
Looks like you have quite the set-up, yourself! It's getting late here but I intend to take a good look through your albums tomorrow. Cheers!
Hey, you're a first time grower? Me too, and I agree with your opinion on autoflowers. I have some similar issues and also found my strain to be supersensitive to almost everything.
Its often said that AFs are perfect for beginners, but only the faster harvast stands out as a positive for me. AFs are like little time bombs and if you make mistakes during veg, it will cost you yield. And as a beginner, I will make mistakes. A lot probably. With photo's I'd just continue to veg, untill all is good. During that veg time you'll get some experience and get an idea of what it is to grow cannabis and what the plants can tolerate. With AFs, every mistake counts hard. That, and their delicate character makes it harder to grow AFs than photo's as a beginner, imo.
Ok, you dont have to worry about lightleaks and -schedule with AFs; but seriously, if you dont have the ability to do an easy task such as lightproofing or switching from 18/6 or so to 12/12 than how would you be able to grow any plant indoor?
Anyway, just wanted to share my opinion.
As always, I check peoples problems as practice and try to diagnose. I found the spots on your leaves verry similar to some on this page about ph fluctuations: https://www.growweedeasy.com/cannabis-plant-problems/ph-fluctuations
Do you measure runoff ph? Does it differ a lot from what goes in?
I'm pretty sure its not a Ca deficiency, its usually the growth closest to the lights that will show Ca def.
Goodluck with the grow, hope you'll yield some nice buds!
Gorilla Bomb
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