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However, you can mix bleach and water together to make a disinfectant for hard surfaces, such as tabletops and kitchen slabs.
- Recipe 1: 1:10 ratio (strong - Mark Warner formula) - Combine ½ cups bleach to one liter of water or ⅓ cup bleach powder per liter of water.
- Recipe 2: 1:48 ratio (dilute - Centers for Disease Control and Prevention Formula)- Combine ⅓ cup of bleach per litre of water or 4 teaspoons of bleach per litre of water.
Bleach is corrosive, so should be used in a dilute formula and with proper precautions. Bleach solutions degrade rapidly after they are mixed. It is recommended that you make a fresh batch every day. More dilute solutions will degrade faster, so for solutions that need to last longer (up to about a week), mix no more than a 1:4 ratio.
Alternatively, you can make an alcohol-based disinfectant with these ingredients:
• 1½ (95%) (preferably ethanol but can use other alcohol)
• 1 litre distilled water
• ½ teaspoon hydrogen peroxide
• 30-45 drops essential oil as desired (optional)
Instructions:
Combine water and hydrogen peroxide in a spray bottle. Add in the desired essential oil (can use more than one oil). Add in alcohol. Shake well to combine the mixture.
Note: The effectiveness of this combination hasn’t been proven in any study nor is it backed by scientific evidence. However, ethanol is the base for many disinfectants.