If you don’t always have time an automatic fish feeder is ideal. Also when on holiday. You can easily programme the feeding times as well as the amount of food and the fish feeder ventilates the food at precisely the    correct doing time...

This 24VDC powered, normally-closed (NC), solenoid valve has push-fit tubing input and outputs designed for standard 1/4″ tubing. The electrical connection on this solenoid valve fits the DC24 accessory ports found on the FMM, 1Link, and Energy Bar...