Too many variables to give a good answer. By hand? How much laundry? Front load machine? etc.
You may have a small hot water heater in your house or apartment, this will use up all the hot water in doing laundry so the tank needs to fill up and heat again.
Most laundry detergents work just as well with cold water. By using cold water you will save money and reduce environmental damage. It depends.If you are putting laundry in the washer then use hot water.If you are washing laundry that stains its colour or just washing by hand then use cold water.
Water will thin out laundry softener.
You don't use it in your bath water.
In wad=shing laundry, you use aproximittly 592.8 gallons of water each minute.
She sufficiently completed her mom's task of doing the laundry.
Check with your local government about the use of "gray water." You would only use the rinse water, not that with soap.
yes, I use it all the time and it is just fine
a cup. (hehehe)
Laundry
A typical family of four uses water for various purposes, including drinking, cooking, bathing, washing dishes, doing laundry, and flushing toilets. Additionally, they may use water for activities like gardening, cleaning the house, and washing cars.
10 to 20 litres a day