What is Reddit's opinion of TopoLite Full Range Multiple Sized 24"x24"x48" Indoor Grow Tent Room 600D Mylar Hydroponic Growing Plant Box(24"x24"x48")?

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Hey Guys.

As my first grow ever, I had 3 seedlings germinate after planting on April 5th into my AeroGarden 6. Here is a progress picture from about 3 days ago.

As you can see, my guy on the left is really taking off, but my other two have kind of stalled. Should I be worried about that?

I hear I can wait about another week until transplant. Would then be a good time to move them into 5 gallon pots? I am also laxing behind on my equipment. I’ve been scoping this tent and this light off of Amazon. Would you guys recommend? Any other recommendations for ventilation? Working a bit on a budget.

Also, I checked all 3 of them, and they have mainly just one long root as seen here. Should that be concerning?

Appreciate any info, and sorry for the noob questions. Happy growing!