Important update: Healthcare facilities
CDC has updated select ways to operate healthcare systems effectively in response to COVID-19 vaccination. Learn more
UPDATE
Given new evidence on the B.1.617.2 (Delta) variant, CDC has updated the guidance for fully vaccinated people. CDC recommends universal indoor masking for all teachers, staff, students, and visitors to K-12 schools, regardless of vaccination status. Children should return to full-time in-person learning in the fall with layered prevention strategies in place.
UPDATE
The White House announced that vaccines will be required for international travelers coming into the United States, with an effective date of November 8, 2021. For purposes of entry into the United States, vaccines accepted will include FDA approved or authorized and WHO Emergency Use Listing vaccines. More information is available here.
UPDATE
Travel requirements to enter the United States are changing, starting November 8, 2021. More information is available here.

How to Make 0.1% Chlorine Solution to Disinfect Surfaces in Healthcare Settings

How to Make 0.1% Chlorine Solution to Disinfect Surfaces in Healthcare Settings
Updated Jan. 8, 2021
Print
Related Pages

PDF Alternative: Englishpdf icon | Frenchpdf icon | Portuguesepdf icon

Use 0.1% (1,000ppm) chlorine solution to disinfect frequently touched surfaces and items.
Make new 0.1% chlorine solution every day. Throw away any leftover solution from the day before.

  1. Make sure to wear required PPE.
  2. Proceed with only one of the following: 2a or 2b or 2c

    2a From Liquid Bleach (5%)
    Pour 400mL of liquid bleach into a 20L bucket, then fill with water to 20L mark
    (or pour 1 part liquid bleach and 49 parts water for any volume).

    -or-

    2b From HTH (70%)
    Add TWO tablespoons (30g) of high-test
    hypochlorite (HTH) (70%) to 20 liters of water in a bucket.

    -or-

    2c From Chlorine Powder (35%)
    Add FOUR tablespoons (60g) of chlorine powder (35%) to 20 liters of water in a bucket.

  3. Stir well for 10 seconds, or until chlorine powder/granules have dissolved.
  4. Wait 30 minutes before use.
  5. Label bucket “0.1% Chlorine Solution – Disinfecting. “
  6. Cover bucket with lid. Do not store in direct sunlight.

Supplies needed

  • Tablespoon
  • Graduated 1-L bottle or measuring cup
  • Bucket with lid
  • Water
  • 5% Liquid bleach OR 70% HTH OR 35% chlorine powder
  • Stick for stirring
  • Label

WARNING
Do NOT mix chlorine solution with other cleaning products or chemicals.

Do NOT put chlorine solution in mouth or eyes.