• Credit: Brian

A new online course, Field Service Professional Training, shows how to effectively perform routine maintenance on residential and commercial pools and spas. Created by nonprofit National Swimming Pool Foundation, the training is loaded with how-to videos, providing interactive learning about circulation systems, filters, chemical dosing systems, heaters, cleaning and vacuuming systems, automatic controllers, and acid washing.

Contact: NSPF, (719) 540-9119; www.nspf.org