Loading... Please wait...Machine Coolant is necessary to cool down the tools and equipment during the machining process. Machine Coolant can get many small particles and bacteria, causing health risks to employees and damage to equipment and tools. We suggest filtering Machine Coolant or changing it frequently to avoid these things from happening. There are several articles below that contain a great deal of information on Machine coolant, how to reduce bacteria, and when to change your machine coolant. You can also return to the Machine Coolant Filtration Index for more information on this topic.