
One-Man Shop? Here’s The Coolant I Trust | The Process Ep. 2
1 Video View·Jun 16, 2026
Most folks just top off their coolant and call it a day, but coolant choice actually matters. In this video, Bradley Thomas from Marvel Machining shares a full walkthrough of how he handles a coolant change in his one-man CNC machine shop using Castrol MB50 - from draining and cleaning the tank to mixing and refilling the machine.
