In children, symptoms may depend on age: In infants younger than 1 month of age, symptoms may include having little or no energy (lethargy), feeding poorly, grunting, or having a fever. In children, symptoms of pneumonia are often the same as in adults. Your doctor will look for signs such as cough and a breathing rate over 60 breaths a minute.
Tap water should sit for at least an hour before adding any fish to the bowl. The water must be room temperature.
How long you do the drip method depends on what your acclimating to your fish tank. If your doing this method for most freshwater species you should be ok doing it for an hour or so before introducing the fish to your tank. If you're doing this method on a saltwater invertebrate you may want to take 2 or 3 hours for this acclimation procedure.