Leaving a bag of fertilizer on the concrete of the driveway is a mistake that is easy to make and also very common. Fortunately, the unsightly, orange stain left by the bag does not have to be permanent – here are some tips for removing it:
- The dry method – this technique involves the removal of the topmost, stained layer of the driveway with some abrasive material, such as sandpaper or by scouring, grinding or sandblasting the affected area;
- Wet methods – these methods involve the use of chemicals without the removal of the stained layer on the concrete surface. The stain on your concrete driveway is caused by the rust in the composition of the organic fertilizer, therefore the best way to get rid of it is by using a rust removal substance, preferably one developed especially for concrete that does not harm the vegetation in the area of application. When you use your stain remover of choice, make sure to follow the product instructions – they will tell you exactly how to dilute the product, how to spread it on the stain, how long you should leave it on and how you should remove even the tiniest residue of it when the process is complete.