Affresh ice machine cleaner is specially formulated to help remove hard water and mineral buildup, so you can enjoy great-tasting ice and keep your machine clean. Designed with a nickel-safe formula and suitable for all freestanding ice machine makes and models, affresh ice machine cleaner is #1 Recommended by* Whirlpool and KitchenAid brands. Use according to your ice machine’s use and care instructions, every nine months, or as needed. *affresh brand products and the recommending brands’ products are all owned and distributed by Whirlpool Corporation.