Any self-respecting hacker knows the answer, and when presented with an opportunity to equip his lab with a new DIY syringe pump for $200, [Dr. D-Flo] rose to the challenge. The first stop for [Dr.

Underneath the blasting chamber is another plastic drum cut in half. This serves as a slurry tank. A regular pool pump is used to both agitate the slurry mixture and power the spray nozzle.