Stunning Job, Andrew!
You sure have a flair for design, that laundry room is TO DIE FOR!  I sure like that you were aware that installing a whole-house water softener was a great idea!  I also like that you have the same Persil Universal Gel green detergent that I do! I also have the blue Color Gel and love both immensely!  I only fill my cap to the 40ml line for any load, and the stuff works and smells fantastic!  I dump every one of my detergents into the center of the washload before starting my Samsung.  The gel detergent is so thick it doesn't all come out from the dispenser! I get about 35-40 loads from a 1.5L bottle. I have naturally soft water, but if I ever had to get a softener, it would be a sodium-free system.  it's totally worth it for me. Best of luck using your new laundry lounge!