This calculator will help you to estimate the cost of operating any
given electrical pump, based on the average KWH (kilowatt hours)
used per day, and on the average cost per KWH charged by your
electric company.
If you are going to be away for any period of time, be sure to leave a contact phone number with your pond watcher so they will know who to call in case of an emergency.
Automatic feeders can also play an important part of your vacation plans.