| Wear old clothes or an apron, because the solution will discolor and eat through fabric. |
| If you live in an older home and haven't replaced the vinyl or linoleum, built up wax will discolor it. |
| Specifically, the normally green stems began to discolor from the outside of the tree inward. |
| Oils in any form can penetrate the surface and permanently discolor terrazzo floors. |
| Watch your plants and if you see leaves wilting, don't wait until they discolor and die, but find out the cause. |
| We heated the metal with a propane torch to slightly discolor it and rubbed the top with fine steel wool to give the surface a duller sheen. |
