As all-grain homebrewers, we have two options for rinsing mashed grains to collect wort in our kettle: fly sparging and batch sparging. Neither is difficult and both have their own unique advantage benefits. NB head development brewer Brad Segall demonstrates both methods.
Learn all about mashing, sparging, and the complete all-grain homebrew process in the Northern Brewer University online course: Homebrewing the All-Grain Way: https://bit.ly/3uzeL09