bleach? Experienced dyers agree that the effects of unneutralized chlorine bleach discharge are deadly to fabric. Some residue of the hypochlorite remains in the fabric even after washing, later resulting in holes or thin spots wherever bleach was applied. Fabric that looks fine after bleaching may be in rags a few weeks later. The answer is to neutralize your fabric after you bleach it. You must also strictly avoid using chlorine bleach on any synthetic fiber, such as polyester, nylon, or ...