This is correct advice 
When the leaves start to overlap rim of solo cup, it’s time to get them to final pot
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I transplant when the roots have grown to bottom of clear solo cup or when leaves exceed the cup rims.
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I don’t have a specific time to transplant I did it at 3 weeks and at 2months so it’s really up 2 u and your schedule. The longer they stay in the solo the more u will feed lol
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I also transplant when the leaves reach just over the edge of the cup.
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The bags I put on the cups for humidity, should I take them off soon as they pop through the dirt or should I wait until I see those 2 little sucker leaves? @JaneQP @MeEasy @Audiofreak @Caligurl @Flitme @Mr_Wormwood @PurpNGold74 @yoshi @Dankloud
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Most here leave them on, I don’t use them at all so really your call, can’t go wrong
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I read some post that said 10-12 days. I grow from clones - but will try seeds this Spring so looking forward to Adobe the other growers give you.
I remove my domes as soon as I see the first set of real leaves
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Lol predictive text is awesome
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I remove my cups as soon as I know the seed shell is completely off the leaves
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@Gunther11, if the humidity in your grow space is sufficient, around 70%, they’re fine without anything over them. I never dome mine
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Most people transplant when the leaves reach the outer edge of the cups. I look at the roots, if the roots look nice and filling the cup I transplant. Then I know that everything will stay in tact and I won’t have a mess on my hands transplanting
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Yeah my RH is sitting around 49% right now
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Then you should definitely dome them.
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When u do you to run your RH at during veg? @AfgVet
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Those are some nice looking roots
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I’m with the others when the leaves cover the cup your on target. 
And I’m set to watching
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I also use clear solo cups inside red solo cups, that way you can monitor rot growth, that way you can monitor rot growth. Once mine look alot like @AfgVet s it’s a good time.
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RH in veg can be up to 70% I shoot for at least 65%
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You can put another clear cup on top of it for a dome. Just put a piece of tape for a hinge. 
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