Empty bottle is an alchemy ingredient in The Witcher 3: Wild Hunt that is needed to craft the following items:
It can be found as random loot or purchased from the following merchants:
- All base game herbalists except Yolar and the one in Hierarch Square
- Bram in White Orchard
- Jonna in Rannvaig
- Merchant at the sawmill in White Orchard
- Generic Merchant in Nilfgaardian Army Group 'Center' Camp
- Merchant at the Boatmakers' Hut
- Merchant southeast of the Border Post
- Merchant in Crow's Perch
- Merchant at Devil's Pit
- Merchant in fishing village east of Stonecutters' Settlement
- Merchant in the campsite west of Lurtch
- Merchant at Mire Landing (Cestersover)
- Merchant at a crossroads between Mulbrydale and Devil's Pit
- Merchant in Oreton
- Merchant by the bonfire at Road to Bald Mountain
- Merchant in the Fish Market in Novigrad
- Merchant next to Odrin in the docks north of Silverton
- Merchant in Oxenfurt
- Merchant in Blandare
- Quartermaster in Crow's Perch
- Quartermaster Eggebracht in Nilfgaardian Army Group 'Center' Camp
- The Pellar near Blackbough
- Wandering merchants in Velen and Novigrad
- Wandering merchant in White Orchard during the epilogue
- Herbalist in Barrengarth
- Merchant at Crane Cape
- Master Topical in his hut northwest of Vikk Watchtower
- Clerk in Villa Vedette
- Merchant outside the The Cockatrice Inn
- Merchant in Dupont & Sons
- Merchant in Flovive
- Merchant in Francollarts
- Merchant in The Clever Clogs Tavern
- Merchant in the Wine Market in San Sebastian
- Pinastri in her home northeast of Dun Tynne Crossroads
- Wandering merchants in Toussaint
- Wine Merchant at Rivecalme Storehouse