Premium Synthetic Coolant is the latest generation of a true oil-free synthetic solution designed for use in multi-metal machining and grinding applications. Synthetic Machining Fluid is ideal for CNC Machining, Sawing, Cutting, Drilling, Milling and Grinding Operations! This formula has been tested and proven to provide optimum, long-lasting performance in a variety of CNC machining and grinding applications. Additional Benefits include: Corrosion Protection, Stability & Foam Control. Mixing instructions: Use 18 ounces of coolant for every gallon of water, 1 gallon of coolant for every 8 gallons of water. RECOMMENDED REFRACTOMETER READINGS 0-32% Brix scale Machining and Grinding Target: 4.0, Range 3.0 – 5.0 Sawing Target 6.0, Range 5.0 – 7.0 Cleaning your system is recommended prior to adding fresh coolant to maximize effectiveness. Sump Cleaner & Sanitizer Concentrate is ideal for preparing your system for a recharge. Extended Coolant Cycle Excellent Tool & Sump Protection Tramp Oil Rejection Corrosion Resistant High Operator Acceptance Industrial Strength for CNC Resists Odors Made In USA Products Only