Replace filer receptacle. Easy 5 min job.All you need is a 1/2 open end wrench.
The wrench is used to depress the ring on the solenoid valve to remove the hose.
The receptacle door snaps off the receptacle snaps loose. Remove the foam insert and pull hose through the from the front. Use wrench as described to remove hose from solenoid.
Use filters. I git tired of replacing the minerals clogged the receptacle.
Easy job