Just waiting on the filters for the 125. Meanwhile I did a test fill to the top on the 125. Welp, not exactly level. The basement floor dips a bit to the right and towards the wall. So I spent some time finding a better spot for the stand. I had to keep moving the console table and glass table as well.
Looking across the top water line it was at 1/2" to the left and 1/4" to the right. Not too bad but annoying and noticable. The front to back I didn't like. Left side front to back 1/2", ~1/2" to back edge. Ok, pretty level. Right side, no way. 1/4" front edge to top of frame back edge. I should metion after a couple of hours the tank did settle some, but not enough to make that dip on the right side acceptable. So I did a 80% drain. Couldn't find my level so I measured water height. Left side, 4 1/8", right side, 4 3/4". So 5/8" inches off. Back to work.
The caster wheels and stand are perfectly level at the bottom, 2 1/2" outer lip above floor. Good. Total height adds 3" to stand. So I moved the stand out another 2 inches from the wall and about 12 inches to the right towards the 'dip'.
Moving the stand resulted in a much more acceptable spot.
Side to side deviation down to 3/16" from 5/8". Much better! I've ordered a level that should arrive Monday to see if moving the tank out 2 inches has levelled the back right corner. Shims not a good option with 4 sets of caster wheels.
Will be doing the led settings for the light strip.