How to make a simple bottle sandblaster

How quickly to make a sandblasting machine from the tools at hand? It’s very simple! You will need an empty plastic bottle and a purge gun with a long tube. Drill or burn holes with a hot nail in the base of the bottleneck, so that the tube of the purge gun is inserted with some effort. Make a mark on the tube and cut a groove in it so that sand can get there. Fill the bottle with sand. You can use any one sand, but you need to clear it of large debris. I used the remaining sand for chinchillas. If sand