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They have all sprouted on the same day 17/5/2020, they are
RQS Jack Auto
RQS Blue Cheese Auto
Sensi Amnesia Auto
Sensi Blue Bullet Auto
I used a very complicated method of germinating my seeds which consisted of putting them in their pot about 1 cm below the surface and watering them lightly (about a shot glass or two, 25 -50 ml). 4 days later they all sprouted.
I am using 9 litre Air Pots with a soil mix, please see link below.
https://www.royalqueenseeds.com/blog-the-best-soil-for-growing-autoflowering-cannabis-n904
I got a large bucket and mixed 1 hand full of Vermiculite, 2 hand fulls of Perlite and then added some water so they were damp. I then added 3 hand fulls of multipurpose compost and 3 hand fulls of potting mix. I mixed it all up and poured it into my 9 litre air pot and then repeated until the air pot was almost full. I topped the pot off with potting mix about 2 inches worth. The idea is the seed will sprout surrounded by potting mix, which is high in nitrogen and designed for seedlings. As the roots grow down they will find the richer nutrient mix of the compost. Ideally I don't want to use any nutrients but we'll see how we go.
I'm getting the water from a water butt in the garden so it's rain water and has a PH of 7. The soil mix seems to have a PH of 7 also. When I water, I half fill a 2 litre bottle and shake it vigorously. This should oxygenate the water, which the plants like and it also reduces the PH of the water to 6.5 which again the plants should like. Sadly my PH tester is not very accurate but that seems to be keeping the PH in the right zone.
Time will tell.
I gave them 250 ml of water each on day 5.
Sensi Amnesia Haze Auto who's 9 weeks old.
Leaves started to discolour about a week ago, it's spreading to the little bud leaves.
The PH of the water and nutrients going in is 6.5 - 7.0 and the run off is 7.0. Using BioBizz.
Any ideas? Should I cut her down now?
First of all: DO NOT CUT HER DOWN!!!! You will definitely regret your decision if you do so!
...soooo, I just had a rough look over your diary and feeding, as I am using BioBizz aswell and I experimented a bit with amounts in the past. Right now, you are definitely feeding way too much. It's hard to overfeed with bio nutes, but I managed to do this with BioBizz aswell. If your 4ml/l is correct, its too much. You shouldnt even use much BioGrow this late into flowering. Also, the tons of Bloom you are adding leads to a Potassium and Phosphorous toxicity. The runoff pH is to be ignored when using BioBizz (thats what I learned for myself). The input pH of 6.5 to 7.0 is perfectly fine, if you can, try to get it to 6.5 but BioBizz regulates itself so dont worry.
By the way, the leaves that have the spots on them look like potassium deficiency, my noobie guess would be a nutrient lockout due to way too much phosphorous (and nitrogen).
My recommendation would be to just water plain water pH'd to 6.5 until the plant finishes. It's probably gonna get a lot worse over the next couple of days if youve really been feeding that much (bio nutes need about 72h to show their first effects), but like I said, just add pHd water without nutes and let the plant and soil work things out. You'll see in maybe 1-2 weeks its gonna fatten up and more and more hairs are slowly gonna turn amber. More and more leaves are gonna turn yellow and fall off (thats intended).
Just dont add any more nutrients to the amnesia, you would make it worse. And for the Blue Bullet and Blue Cheese, you definitely need to reduce the BioGrow, I personally would leave it out completely, and also reduce Bloom and TopMax. You can decide if you go another week of feeding with 1.5ml/l bloom and 1.5ml/l topmax or just plain water. I would do plain water for all of them. They all seem to have a serious nutrient overload.
Hope I could help, if you wait it out youre still gonna have a wonderful harvest, just be patient and dont harvest early, youll have shit weed if you do ;)
Cheers man
+1 strain
+1 strain
Auto Northern Lights x Blueberry
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