Household batteries (the usual suspects: AA, AAA, C, D, 9-volt) can be recycled through battery retailers like Batteries Plus. While you save up enough old batteries to make it worth a disposal trip, keep your dead batteries in a dry place that's out of reach of kids.
Water temperature is vital. Doing it correctly, you can make what many say is the perfect cup of coffee. Ideally, you want the temperature between 195 and 200 degrees F. One way to do this is to boil the water and use an âinstant readâ thermometer from any kitchen store.
1 To Make Cold-Brewed Coffee: Place the coffee in a glass jar, add the water, and stir to combine. Cover and set aside at room temperature for 12 hours or overnight.  Strain the coffee through a large-size paper coffee filter, a fine sieve, or a strainer lined with cheesecloth.