The RODI unit is working much faster now. I guess it needed some time to sit.
I also got my float switches so just need to get a few other things to get my ATO done!
Got the aquascaping roughed in and 12lbs of sand placed. It's a little murky (was clear this morning when I woke up) because I was messing around with the sand/rockwork right before I took this. I was going to place my larger rock differently but accidentally placed it as shown and liked how it created a small cave at the bottom. Figure this would be a great place for things to 'hide'!

Should I get more rock? Should some be placed higher?
I also checked my params after letting it run overnight;
SG- 1.024
PH- ~8.3
And apparently Ammonia/Nitrates/Nitrites are 0...

I doubt this means my cycle is over. This is new water that the rock's been in for a day now (finished at about 2am Monday and worked on it more Monday night too) and don't think it matters much that I've had the rock in a bin for the past 1.5 weeks 'curing'. I'll keep testing throughout the week.