Sanitize RV Water System

I have adapted the notes form https://www.rvtrader.com/research/news-reviews/press-room/rv-how-tips-sanitize-your-rv-water-system.

1. Drain the water heater.
2. Open drain plug and all faucets.
3. Turn off water pump when empty.
4. The recommended ratio of bleach to water is 1/4 cup per 15 gallons. I have a 24 gallon tank, with a 6 gallon hot water heater. I will add 1/2 cup to 30 gallons.
5. Add the bleach to a gallon of water and added it to the water tank.
6. Fill the water tank with potable water.
7. Run the faucets until bleach is smelled from each.
8. Close valves.
9. Drive truck to agitate the mixture.
10. Let sit for 12 hours.
11. Drain, including hot water heater.
12. Fill with water. Run faucets until bleach smell is gone.
13. Drain and fill.