This is very helpful outside of buildings, but unfortunately the ultraviolet rays can't pass through glass or roofs or dust. Drying from fresh air and wind will also kill pathogens, particularly when they are exposed in the process of cleaning. Concentrations up to 10 ppm have been reported to be well-tolerated by chickens. Five ppm are required for slime control. Chlorination can be done by various methods, however, liquid sodium hypochlorite is the most practical.
Household bleach is diluted sodium hypochlorite.
Products vary from 5 to 15 percent sodium hypochlorite. Mix in a plastic container that can be sealed shut. A clean plastic garbage can with a lid is suitable. Water Chlorination Add 1 ounce of either stock solution to 1 gallon of drinking water. Organic matter quickly inactivates chlorine.