THIS PAPER ADDRESSES THE USE OF WATER-BASED COOLANTS FOR HONING APPLICATIONS. ADVANTAGES OF WATER-BASED FLUIDS ALONG WITH SOME POTENTIAL PITFALLS ARE DISCUSSED. TYPICAL APPLICATION AND PRODUCT SELECTION IS ADDRESSED. SOME HIGHLIGHTS OF SYSTEMS USING WATER-BASED COOLANTS FOR HONING ARE INCLUDED. THIS PAPER IS BASED ON THE AUTHOR'S EXPERIENCE IN THE AUTOMOTIVE INDUSTRY.