How to Prepare of 0.5% Sodium Hypochlorite (Bleach)

• Read the concentration and calculate the total portion of water required.
• To make a 0.5% chlorine solution from 5% bleach, mix 1-part bleach to 9 parts water (use the same container to measure the bleach and water).
• Use PPE (mask, goggles, rubber gloves, waterproof apron & cape).
• Use cold or room temperature water to mix.
• Mix in a well-ventilated area.
• Use labeled plastic containers having a cover.
• Properly wash and dry the container before refill.
• Store in an area with no direct sunlight (in a cool & dark area).
• Prepare fresh for daily use.
• Calculate the parts using the following formula: