Water heating by a domestic water heater. Two conflicting safety issues affect water heater temperature—the risk of scalding from excessively hot water greater than , and the risk of incubating bacteria colonies, particularly "Legionella", in water that is not hot enough to kill them. Both risks are potentially life-threatening and are balanced by setting the water heater's thermostat to . The European Guidelines for Control and Prevention of Travel Associated Legionnaires’ Disease recommend that hot water should be stored at and distributed so that a temperature of at least and preferably is achieved within one minute at points of use. If there
Apple drops Apple drops Apple drops are a type of hard candy and are a variety of penny candy, which includes cola bottles and jelly beans. Ingredients can vary slightly depending on company and brand, but typically they are made using sugar, glucose syrup, citric acid, E330, natural flavour (often apple juice concentrate), and natural colours E100 and E141. Apple drops were mainly popular in the UK and Ireland during the 1980s and 1990s, with demand for them sharply dropping after that time. The candy is now usually found only in smaller independent shops, or from larger retailers at an increased price.