Difluorite Crystals Farming Route in Sandswept Isles.
You can toggle them in the GW2TacO / BlishHUD menu -> Tekkit's Guides -> Living World Season 4 -> Sandswept Isles -> Difluorite Crystals. If you don't see these routes in the game, double-check if you properly followed Installation Instructions. If you still have issues, let me know in the #all-in-one-issues channel on our Discord
DIFLOURITE CRYSTALS FARMING ROUTE Download All-in-One Marker Pack