The set scores were 25-3, 25-20 and 25-9.
Kylie Patton led Grant with 11 kills and Olivia Keelean added eight. Taylor Wegener contributed to the victory with 11 digs, while Jill Arends and Nicole Whan both served four aces.
Grant is now 21-6-5 overall on the season and 4-0 in league play. The Tigers will face Tri-County next Tuesday.