Global Ceramic Water Sharpener

Adding water to the reservoir is essential for the ceramic wheels to function properly. It keeps the blade cool during the sharpening process, which prevents the metal from overheating and potentially losing its temper or hardness.

No, this two-stage system is designed specifically for straight-edged kitchen knives. Using it on serrated blades will damage both the knife's edge and the sharpener's ceramic wheels.

Use the coarse wheel first if your knife is noticeably dull or has minor chips that need to be removed. Follow up with the fine wheel to hone the edge and polish it for a smooth, sharp finish.

Yes, this sharpener is compatible with most standard double-beveled kitchen knives. However, it is not recommended for single-beveled knives, such as traditional Japanese sashimi blades, which require a different sharpening angle.

Frequency depends on how often you cook and the type of cutting board you use. For most home cooks, using the fine wheel for a quick touch-up every few weeks is sufficient to maintain a sharp edge, while the coarse wheel should only be used when the blade feels significantly dull.