Tips & Warnings. 1  If you are cleaning an indoor concrete slab, wet it down thoroughly with a mop and plain water, then scrub with scrub brush. 2  Mix up an all-purpose cleaning solution, scrub the concrete, then rinse with a mop and clean water.
How to Repair Potholes in Dirt and Gravel Driveways - How to . Most potholes in dirt or gravel driveways are caused by water trapped below the surface, so be sure to maintain or improve the quality of underground drainage.
If potholes do occur, the process of fix them involves cleaning out the debris from the hole, and refilling and compacting new dirt or gravel. This repair job can be done by homeowners for only the price of the new gravel, which costs about $40 - $45 per ton.