Medical definition of narrow-spectrum: effective against only a limited range of organisms effective against only a limited range of organismsâ¦ See the full definition
If your baby is younger than 4 months, Health Canada recommends boiling the water for use in mixing formula for 2 minutes.
To run the titration test, put a known volume of water (from the site) into the container and check the pH. Add a small amount of acid (1-3 ml for 3 gallons, 4-8 ml for 30 or more gallons) to the water, stir and re-check the pH. Continue this process until the target pH is attained.