Sort white clothes separately from colored items
Check care labels before washing
Treat stains as soon as possible
Pre-soak whites in warm water with oxygen bleach
Use detergent made for whites or brightening
Add oxygen bleach to the wash if fabric allows
Wash whites in the warmest water safe for the fabric
Avoid overloading the washing machine
Use the correct amount of detergent
Add a cup of white vinegar to the rinse cycle occasionally
Use baking soda in the wash for extra freshness
Dry whites in sunlight when possible
Avoid chlorine bleach on delicate fabrics
Wash dingy whites with a whitening booster
Remove items promptly after washing
Avoid using too much fabric softener
Clean the washing machine regularly
Repeat treatment for heavily yellowed clothes