COSORI Coffee Grinder Electric, Coffee Beans Grinder, Espresso Grinder, Coffee Mill also for Spices, Herbs, Grains, Included 1 Removable Stainless Steel Bowl, BlackNOTES: 1. We do not suggest adding extra liquid or oil to the original ingredients in the grinder chambers. 2. When grinding seeds like chia and flax, or sesame, please fill half of the bowl, in case the powder will be scattered around or get into the machine. 3. The 2-blade chamber is suitable for dried or smaller-size ingredients. We can use the blade grinder to grind spices too, such as cloves, cumin seeds, coriander seeds, and peppercorns. However, if you regularly grind both coffee beans and whole spices, we advise you to get a second grinder to prevent flavor crossover. Key Features: · The roomy and removable grinding bowl - can make 12 cups(50ml) of coffee (70g of coffee powder) · Enclosed and Clear Lid - so we could see when coffee was ground to desired consistency and keep grounds contained · One-Touch Grinding - Make coarse and fine by operating different time · 304 Stainless steel blades · Storable base · Safety LockCOSORI Electric Kettle with Stainless Steel Filter and Inner Lid, 1500W Wide Opening 1.7L Glass Tea Kettle & Hot Water Boiler, LED Indicator Auto Shut-Off & Boil-Dry Protection, BPA Free, Matte BlackWhat is Hard Water? - Hard water is a kind of water that contains calcium or magnesium mineral ions that often in the form of carbonate. - These ions do not pose any health threat, but they can engage in reactions that leave insoluble mineral deposits. How to Descale/Clean the Kettle? 1. Filling the kettle with 1 cup of vinegar or lemon juice and 2 cups of water. 2. Boiling the liquid and leave it for 2 hours, then use a cloth to clean and wipe. 3. Rinse the kettle with clean water, and dry with a soft, clean cloth. 4. Repeat as needed. Note: It's normal if your kettle exposes spots or rust on the stainless steel bottom after the first use if the water quality in your area is so hard. ​