We all leak tiny amounts of albumin (a protein which has a small molecular size and is water-soluble) into our urine. If the filters in our kidneys are damaged, increased amounts of albumin and other larger proteins from our blood can pass through and escape into the urine.
Definition of aftertaste. : persistence of a sensation (as of flavor or an emotion) after the stimulating agent or experience has gone.
Mostly, it amounts to periodic checking of the electrolyte level and water additions weekly, or less often depending on individual duty cycles. An aftermarket watering system, installed on the battery in place of the stock vent caps simplifies this process even further.