Open a crafting table or use your inventory crafting grid
Place 3 glass blocks in a V shape
Take the glass bottle from the result slot
Fill the bottle with water by right-clicking a water source block or cauldron with the bottle in hand
Open a crafting table or use your inventory crafting grid
Place 3 glass blocks in a V shape
Take the glass bottle from the result slot
Fill the bottle with water by right-clicking a water source block or cauldron with the bottle in hand