cool feature

Remember sugar cubes at coffee and tea time? Why not have the same for salt at mix time? I used to enjoy easily knowing how much sugar I added from a common item at any table, anywhere and it was easy to do, tastes satisfied immediately. As I was putting my auto water change, fill and flush...

What if someone were to turn an entire wall into a sump? Like imagine salt water flowing thru different channels in an enclosed system that was build for art as much as for cleaning/filtering? I would assume you would need some openings to get to the skimmer/cheato (however that is spelled)...