Week 3 didn't go as well as I hoped.
Plants are growing well and i Increased the light to 75%, but I'm noticing more twisting of the leaves and some spots on the bottom right one. Worried it was a deficiency, so I gave them their first dose of nutrients: 1/2 dose of BioBizz Grow on day 16.
A few days later they didn't look better, more darker green and slightly shiny leaves, with a few tips turning down/up. I think it's nitrogen toxicity and I made a mistake buying mainstream potting mix with slow release fertiliser in it.
On day 20 I did a flush with a lot of runoff hoping that helps, but I don't know if it's possible to "flush" out the slow release fertiliser?
Do you think this looks like a nitrogen toxicity issue? Is it likely because I made a mistake using mainstream potting mix with slow release fertiliser in it? If so, will a flush or multiple flushes help, or should I transplant to better quality, organic soil? Thanks in advance!
Yeah looks like some nitrogen toxicity.. and if it was me personally, I would probably transplant into a higher quality organic soil or starter seed soil and feed nutrients manually.
If it’s something like miracle-gro, it’s gonna continue causing issues I’d think - especially growing an autoflower. I made the mistake of using miracle gro years back and it burned a photoperiod plant of mine, so imagine it will do worse to an autoflower which commonly requires less nutrients.
I’m really not sure that a flush will help.. that’s why I personally would be leaning towards a transplant. You may shock it a bit with the transplant. But otherwise if you have to flush more than a few times, you’re definitely stunting her and time is of the essence with autos.
Good luck!
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