Laundry Bluing and How to Use Bluing

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Laundry Bluing Explained

Bluing products improve white fabrics by counteracting the natural yellowing that occurs during regular laundering by adding a blue pigment. The eye perceives the nearly undetectable amount of blue and sees the fabric as whiter. Commercial bluing products are highly concentrated and must be diluted before using to prevent permanent staining and streaking. Bluing can also be used as a blue dye to darken jeans and other dark blue fabrics.

Liquid bluing is a colloidal suspension of a very fine blue iron powder and water. Other ingredients include a pH balancer and a biocide to prevent the buildup of algae and bacteria. You can also purchase bluing powder.

Mrs. Stewart's Laundry Bluing is a leading brand in the United States; other brands include Bluette and Reckitt's Crown Blue.

Shop for Laundry Bluing on Amazon.com

How to Use Laundry Bluing to Whiten Whites in a Top Load Washer

While manufacturers use bluing in the finishing process of white goods; unfortunately the bluing wears off after repeated washings. The good news is you can add it back by using off-the-shelf liquid bluing. Here's how:

Always dilute bluing (it is concentrated) in cold water before adding to any type of washer. Never pour it directly into the machine because it can cause spotting on fabrics. To whiten whites in a standard or top-load HE washer in the wash cycle, stir 1/4 teaspoon liquid bluing into one quart of water.

Use a glass jar to prevent staining plastic containers. Then add the solution to the wash water.

If adding bluing only to the rinse cycle, use 1/8 teaspoon dissolved in a quart of water. Never use an automatic dispenser for bluing in a top load washer for either the wash or rinse cycle addition.

Bluing can be used with detergent but should not be used with bleach, fabric softener, or any other laundry product.

There will be no hazardous fumes, but the other products will cause spotting or staining if used with bluing.

How to Use Laundry Bluing to Whiten Whites in a Front Load Washer

For use in a front load washer use the same amounts of bluing as directed above. If the dispensing drawers on your washer remain unlocked during the cycle, dilute the bluing in 1 to 2 quarts of water and add through the dispenser directly into the cycle after it has already filled with water.

If the drawers on your front load washer lock as the cycle starts, dilute the bluing as directed on the bottle and then put as much diluted bluing as will fit into the largest available drawer.

How to Darken Blue Jeans with Bluing

For blue jeans, more bluing can be used-up to 1 teaspoon-in the diluted solution of water depending upon how dark you want your jeans to be. Follow the directions for your washer or use a porcelain sink or metal bucket for the process. The bluing will stain plastic containers and fiberglass sinks permanently.

How to Remove Bluing Stains

We all have a tendency to think if a little bit does a good job, a little more will be even better. That may work for somethings, but not for bluing. If you've gotten a little heavy-handed or skipped some steps in using bluing correctly, here's how to remove the bluing stains from washable clothes:

You need a non-metal container that can be covered tightly (a 5-gallon bucket with a good, tight lid or a plastic bag with a twist tie). Place the stained clothes in the container.

Mix a solution of 1/2 cup household ammonia to 1 quart cold water. Make enough solution to completely submerge the stained clothing. Make the container as airtight as possible to keep the fumes in. Ammonia evaporates very quickly and ammonia is the only substance that will remove the excess bluing. Soak for 24 hours. If the stain is not gone in 24 hours, mix a fresh solution and repeat the process. Finally wash clothing on a regular wash cycle with detergent only.

NEVER MIX BLUING WITH OR USE CHLORINE BLEACH AT THE SAME TIME! The mixing of ammonia and chlorine bleach causes toxic and dangerous fumes. Bleach will also set the bluing stains permanently.

If you have already attempted to remove the excess bluing with bleach, use a solution of 1 cup household ammonia to 1 quart of cold water and soak, covered tightly for 48-72 hours. You may need to perform this procedure 2-3 times, washing with detergent following each process.

Bluing Science Project

If you have any extra bluing or just want something cool to do with the kids, use bluing to grow a salt crystal garden. It's amazing!