How to Open Your Pool Vacuum Port in 5 Simple Steps
To open a pool vacuum port, locate the port on the side of the pool and remove the cap. Connect the vacuum hose to the port and then submerge the head of the vacuum in the pool. Turn on the pump and move the vacuum head around the pool as needed to clean the bottom and sides. When finished cleaning, turn off the pump and remove the vacuum from the port. Replace the cap on the port.