yea its definitely not easy in tight spaces, and your experience with your seedlings is a definite contrast to mine.. mine all 6 germed and all 6 grew up well(except the runt) i thought thats was great. never had %100 come through before.
im running 6 two gal hempy's that completey cover all my floor space with just ebough room for the intake to breathe.. if there is a better way to run reg seeds in 3.5'/sq id love to hear it
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I live in a condo, have a 3x3x6 flower tent and a 3x2x3 propagation/veg tent. I've been growing a year and just finished my second reg seed run. My goal is to run 4 plants in 3g pots. So far I've had 3 plants each run.
I don't have space to veg every plant in a larger pot so I've been cloning as a way to try and sex without wasting medium, nutes, etc.
You can veg them out until they show sex BUT if you top and train too early you'll delay them showing. I know this first hand. Sometimes no matter how long you wait it seems they'll never show. I know this too. If you can wait long enough to take a healthy clone then you can continue to veg the seeded plant, flower the seeded clone long enough to show sex then up pot the females, wait a week and flip. Re veg the female clones.
Now you've started the next round's beanz. The seeded clone will have revegged by now and you'll know if you're keeping it or not so you can take a good cut, then have the big plant as a filler if you end up with too few females to fill the tent.
It's about filling your space to maximize your lights potential.