You shouldn’t have them together, otherwise you would pollinate your plants with all the pollen from all the plants. That would ultimately be an undefinable mix of all varieties. Even if you have them in different tents at the same time, you have to be very careful not to cross-pollinate them unintentionally. Appropriate protective clothing and disinfecting after each tent would be advisable, which would unnecessarily drive up costs. It’s best to propagate one plant at a time and then properly clean the tent. The pollen is very persistent, and a few grains would be enough to contaminate the genetics in the next run.
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Thanks for your reply. A lab would be cool now 
That also sounds like a lot of effort that would be worth it if the result is right. Cleaning lamps and especially all ventilation equipment is also relatively a lot of effort. 
However, in Ed’s book, the topic is treated quite “roughly” and I think I’ve read here that you also prefer knowledge from books rather than the internet. Could you possibly tell me what other books you have that describe the topic a bit more intensively, especially with feminized seeds?
Regards and have a nice weekend
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I only have 2 books, both by Rosenthal, one is Marihuana Growers Handbook and the other is Cannabis Anbau mit LED (Cannabis Cultivation with LED) for the right choice of lamp.
I had informed myself for half a year in advance on the internet and on various breeder websites as well as on YouTube after I had read it in the book, and I wasn’t much wiser afterwards. The best explanation was in the 2 videos I posted here. Long story short, my thought was “what he can do, I can do just as well”. So I got the stuff and just tried it out, on the windowsill and put it in a cardboard box for the dark phase. I don’t need to clean it; it’s simply disposed of and a new one is taken. It then took three weeks and a few attempts, not including the production of the silver water, and then you could also see the desired change.
Next time, I’ll leave the silver diodes in distilled water for 24 hours and start treating during the growth phase before switching to flowering. Then the desired effect should come faster.
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Yeah, there’s a lot of nonsense on the internet
But the book makes me want more, and I’ll start a test with Gibberellic acid, let’s see how that works. I’ve also thought of a cardboard box now, that’s a pretty good idea 
Cuttings are currently rooting, and then I’m excited to see.
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But you didn’t test the variant with silver nitrate as powder & sodium thiosulfate, did you? Personally, the method with the rods would be too much effort for me.
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No, I didn’t.
was put together in 5 minutes, then waited 24 [hours] and poured into a spray bottle. You can also buy the stuff, however, the parts you need for production are cheaper, and the rods can still be used by your great-grandchildren.
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This is one of the home-grown seeds. You can already see the pre-flower at the node below the tip.
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