I would say go with the 3.75 net pots 6 of them if it is a small tote.
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*EDIT
Maybe the 2 inch net pots I didn't see that it was a 4 gallon tote.
So yeah here is a hydroponics system I built. How does it look guys. I don't plan to grow anything with it, I just want to sell it. One of my friends is thinking about buying it (this coming Sunday, I can make more of course), but maybe one of you guys might want to buy one; there going for...