Make Your Own Sandblaster and How to Use It : 3 Steps ...
Step 2: Making the Sandblaster. The setup is a normal air gun, with a hose at a second attachment. This sucks in sand at a constant rate, via Bernoulli's Principle, like an aspiration setup in a chemistry class. Find a bucket of sand for the hose to rest in. Find some good method to keep the hose submerged in sand, like ducttaping the hose to ...