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.
One third of a liter for every 17 grams is the standard measurement for making good coffee. If coffee is brewed for too long it will taste bitter. The best level of extraction of coffee is 20% of the solids in the grind. This is achieved by keeping the brew water temperature between 88Â°C and 93Â°C. If the temperature of the water is too low, underextraction will occur and the coffee will be too weak.