Use Grinder in Borderlands: The Presequel (BL:TPS)

"Use Grinder" is a mission objective in the story mission "Grinders" in Borderlands: The Pre-Sequel

Walkthrough[edit]

Head over to the Grinder. Activate it and then select the 3 white weapons you got from Janey's desk. If you didn't, just select 3 random weapons and through them all into the Grinder. Try to use 3 of the same rarity and type to have a chance to upgrade them to something better.

After a few short moments you will get the resulting weapon:

Use Grinder

Grinders Mission Objectives[edit]

Turn in: Janey Springs