I’ve got a washer that I bought with this house, I think it’s about 7-8 years old, that uses *way* too little water, and doesn’t properly clean and rinse clothes.
Fortunately it sits next to a nice laundry room utility sink, in which I keep a 1 gallon plastic pitcher. When I start a load, I start the water in the sink running to fill the pitcher, put in my detergent, then dump the gallon on the laundry.
This does two things. One, it’s an incremental gallon of water, but second, it’s ~8 pounds of weight for the load sensing phase at the beginning. It thinks there’s more laundry, so you get more water, and it works.
If I could get away with kicking the government regulators responsible for this in the gonads, I would. They deserve it.
I did likewise with a LG "Smart" washer that would not obey the screen option to use hot water, and no matter what setting, it "agitated" like it was on gentle. So I filled up large cans of hot water from the bathtub and poured them in for greasy jeans, etc.
Years ago in another apt. in which our old GE washer was in the basement, the head went, and so I opened it up, and after some experimentation, I hooked up a couple light switches, by which I could control agitation and the spin cycle. Worked very will, esp. when I would (to often) forget about the wash and it agitated for maybe an hour or so. Likewise the spin cycle. Clothes got clean and ready to dry. Thank God. I was doing wash when 911 occurred. I actually prayed that morning while putting in my wash that God would fight against Islam due to it persecuting Christians.