I wouldn't use anything but air pots.
I prefer the hard plastic to the soft fabric.......they don't have to be lifted off the floor like fabric........they're easier to move around.....and it's easier to transplant.
I would recommend the original air pots over the knock offs.......the original doesn't have holes in the top few rows to make it easier to water.
I start in 1 ltr. and transplant to 2.4 gal. airpots.
Here's a look at the complex root system after 2 weeks from sprout.
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