Use Jacquard iDye Color Remover to remove or lighten colors and brighten whites on all types of fabrics — without bleach! It’s ideal for whitening dingy, aged, and stained fabrics, and you can also use it for reverse tie-dyeing and reverse low-water immersion dyeing techniques. One no-mess packet dissolves in water to treat up to 2 to 3 lb (1 to 1.3 kg) of fabric.