How Much Bleach Should Be Used to Sanitize a Water Tank?
Potable water storage tanks, such as those used in RVs, should be sanitized after long periods of storage, as well as when water of questionable quality has been added to the tank. Sanitizing is a process designed to kill all organisms that might be in the water. Although there are commercial solutions for the purpose, many people use and swear by regular household bleach.
