Phenomenal thread - so happy you’re all here!
It took me about 2 weeks, but I’ve read every non-DIY post and I’ve learned a ton. Actually, I read a lot of the DIY posts, but until I get into it myself, it’s too much for my brain 
I’m anxiously awaiting the arrival of my first CL purchase - a PB and Coco and I’m trying to get all of my ducks in a row so that I’m ready to fly when they get here. I’ve ordered a ton of bananas, (2) 1/8” stereo to 1/4” mono Y cables, and several 1/8” stereo cables. I need to get a mixer with more channels and I’m trying to make sure that I’ve got enough stereo channels and an effects loop for my stereo reverb to potentially use on any instrument that’s running through the mixer.
I just have a very less than basic understanding of mixers. I’ve used an effects loop on mixers before, but never in stereo. Every mixer that I’ve looked at has 2, 1/4” mono for returns (to make a stereo return), but only one jack for send. I haven’t been able to figure out whether it’s a stereo or mono send. I’ve heard other people mention that you can use up one of the mixers stereo channel for, wait a minutes, was that the return or the send? Now I’m even more confused…
Is anyone using an effects loop in stereo for their CL gear or is everyone just running effects in-line? Any help, leads, or links to read would be greatly appreciated. Thanks!