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Is Adding Clorox to Water Storage Recommended?

April 5, 2026

Quick Answer

Adding Clorox to water storage is not recommended due to the potential for contamination, damage to equipment, and creation of toxic byproducts.

Rationale for Avoiding Clorox

Adding Clorox to water storage can lead to the formation of chlorinated hydrocarbons, which are known carcinogens and can contaminate the water to make it uninhabitable. Moreover, Clorox can damage water storage equipment, such as rubber seals and hoses, over time.

Alternative Disinfection Methods

Instead of using Clorox, preppers can use alternative methods to disinfect their water storage containers. For example, water storage containers can be sanitized with a solution of 1 tablespoon of unscented chlorine bleach per gallon of water, or by using a UV water purifier. Additionally, preppers can use iodine tablets or filters to disinfect contaminated water.

Best Practices for Water Storage Maintenance

To maintain the quality and safety of stored water, preppers should regularly inspect their water storage containers for signs of contamination, such as rust, corrosion, or algae growth. Containers should be rinsed and sanitized at least once a year, and stored water should be tested for bacterial contamination annually. Preppers should also keep their water storage containers away from direct sunlight, extreme temperatures, and potential sources of contamination.

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