If using colored dye, dip and hold about 1/2 of the shirt in one color, then 1/2 in another color. Bleach the whole garment as a last resort. Cardboard is great but anything that will keep the bleach from staining the back of your shirt will do. Read the label on your sweatshirt to see what it is made out of and avoid fabrics like spandex and nylon. Many types of black clothing can be bleached white with items from the drugstore: chlorine bleach, hydrogen peroxide and plastic gloves. Any suggestions? Make sure the cardboard is big enough to protect the entire shirt from any bleach overspray! Bleach shows up best on dark fabric that is made of mostly, if not all, cotton. Also, it's brand spankin new. The bleaching process might take anywhere from 10 minutes to more than an hour, depending on the original color of the shirt and the strength of the bleach you are using. Dec 19, 2020 - Explore Anne Dixon's board "Bleach spray shirt" on Pinterest. Materials such as cotton and cotton blends are receptive to bleaching, but some denims and man-made materials cannot be bleached. Then, submerge your shirt in the bleach solution, and let it soak for 10 minutes to 1 hour. I use a garbage bag over a chair then put the shirt over the garbage bag. Test the fabric by cutting a small swatch from a hem or seam. Problem is, there are 2 quarter size bleach stains at the bottom of it. Wet the shirt in diluted bleach just a few minutes, then take off the rubber bands and rinse all of the bleach out. The bag is perfectly lining the shirt. Otherwise you will get what is probably a very unsightly stain pattern on the back of the shirt. Bleach breaks down dyes within fabric, allowing color to be washed away. When you pick up the shirt, voila! However, you may find that the black color of the original shirt was actually a deep color of purple, and, after bleaching, you now have a lavender shirt. To bleach out the color in a shirt, start by filling a bucket with 1 part bleach and 5 parts water and a second bucket with equal parts water and hydrogen peroxide. First, put something inside the shirt. I used 100% bleach in my spray bottle. Step 1. Add your garment to a large bucket or basin of water, then add a capful of bleach. (Which are very noticeable on a black shirt) It's 91% cotton, 9% spandex. When you want to transform a black shirt into a gray shirt, bleach may accomplish the task. Voila, a spiral. It can be name brand bleach or not. You might also discover that you like a lighter shade of the original color before it turns completely white . I love this black shirt. Now for the scary partbleach. Attach your stencil to the shirt. Spraying the bleach directly on the fabric in a well-ventilated area will give you control over the process, while hand or machine washing can cause streaks and blotches. See more ideas about bleach spray shirt, bleach shirts, diy shirt. I thought about possibly dying it, but have never done it before and don't even know if that will work. Bleach. Bleach can also damage more delicate fabrics like silk or satin. To protect the back of the shirt from bleach, slide a piece of cardboard inside the shirt. You can take a black shirt and put it in bleach, thinking that it will turn to a lighter gray. Two, have a spray bottle of Hydrogen Peroxide on hand as well. It is a slightly more drastic measure but can be very effective to change the color of the rest of the garment. Choose a black, 100% cotton sweatshirt.