Seeking epoxy advice

[Max Fridman]

I’ve always been super intrigued by those epoxy river tables and things, so I figured I would take a stab at it. I do have a couple of quick questions before I begin.

• What’s ‘the best’ epoxy to use for this? It seems every single video or thread, I look at, they’re using a different brand. Is there a ‘standard’ that most people seem to like best, or is priced more competitively than others? If it matters, it’s looking like I’ll have to put the epoxy on vertical surfaces, so minimal sag is preferred while still having enough to make a gloss/mirror finish.
• Similar questions for dyes.
• For an epoxy river speaker baffle, the inside of the speaker won’t be lit. I’m wondering how to make the colored epoxy pop. Maybe painting the back of the river white/silver?
• Does dried epoxy handle milling as well as wood (in this case, walnut)?