Created with Alchemy:

Skill	Recipe	Components	Slot	Source
80	Blackmouth Oil	x2 2x Oily Blackmouth 1x Empty Vial		Trainer

Used by: Alchemy:

Skill	Recipe	Components	Slot	Source
150	Free Action Potion	x2 2x Blackmouth Oil 1x Stranglekelp 1x Leaded Vial		Recipe, Vendor
100	Swim Speed Potion	1x Swiftthistle 1x Blackmouth Oil 1x Empty Vial		Trainer
90	Draught of Water Breathing	x2 1x Stranglekelp 2x Blackmouth Oil 1x Empty Vial		Trainer
?	Draught of Water Walking	1x Blackmouth Oil 1x Liferoot 1x Leaded Vial

Used by: Enchanting:

Skill	Recipe	Components	Slot	Source
145	Enchant Gloves - Fishing	1x Soul Dust 1x Blackmouth Oil		Recipe, Drop