Should you wear a mask when use sodium hypochlorite spray gun spraying sodium hypochlorite?

Do You Need a Mask When Using a Sodium Hypochlorite Spray Gun?

1. When a Mask is Absolutely Necessary
Indoor spraying – Even with ventilation, fine mist lingers and can irritate the throat and lungs (like inhaling strong bleach fumes).
High-concentration solutions – Spraying undiluted or strong mixes (e.g., for mold or waste disposal) releases more chlorine gas.
Prolonged use – Continuous spraying for over 10 minutes increases airborne exposure.

2. The Right Mask for the Job
Basic protection: Splash-resistant respirator (like those used for painting) with a sealed fit. Surgical or cloth masks fail—they don’t block chemical vapors.
For enclosed spaces (bathrooms, closets): Full-face gas mask with a chlorine-rated filter (ordinary dust masks or N95s won’t stop chlorine gas).

3. Common Mistakes That Defeat Protection
Poor fit: Gaps around the nose or chin let fumes in (if your glasses fog up, readjust).
Overuse: Replace masks if damp or after 30 minutes of spraying; gas mask filters expire once you smell chlorine.

4. Risks of Skipping a Mask
Immediate effects: Coughing, burning throat, watery eyes—like accidental bleach inhalation.
Long-term exposure: May worsen asthma or allergies; repeated irritation can damage respiratory health.