I ran out of dishwashing detergent, and never liked the idea that unlike other detergents, automatic dish detergent is the lone exception to the laws banning phosphates (which are super bad environmentally) and also put chlorine bleach in. But the "eco-friendly" phosphate-free ones sold commercial cost a lot and get mixed reviews as to how they work.
So I figured why not, and used my homemade laundry powder, because it is low-to-no suds, with great rinsing ability, and my dishes were clean!
I have a Bosch Evolution dishwasher that conserves energy and water.
My laundry (and now dishwashing!) powder is just a box of Borax, and a box of Arm and Hammer Super Washing Soda (not to be confused with Baking Soda! This is Sodium Carbonate, not Sodium Bicarbonate, and that is a huge difference... but still a natural Earth mineral) mixed together with one grated bar of Kirk's Castile Soap (I use a Microplane grater I got free with my long-ago one-season subscription to Cooks Illustrated). I keep it divided between the emptied Borax and Washing Soda boxes with a marker scribbling through the labels as to what it is.
It also scrubs toilets, scrubs ovens and stoves, and other tough jobs. But use gloves when using it, because eco-friendly or no, it is caustic.
Oh and for laundry, 2 teaspoons per large load is plenty. Wont' get stains out, but gets laundry washed and fresh without perfumes, petrochemicals, etc.