The Large Oil Factory Potion is a Potion that temporarily double Oil production of each Factory Workers (i.e: +30 oil per second with 30 workers). It requires 40 Green Leaves and 2500 Red Mushroom to make, with Level 63 Brewing, giving 7,000 XP.
Potions 
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 Small Vial
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 Stardust Potion •  Sand Potion •  Cooking Boost Potion
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 Large Vial
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 Mana Potion •  Large Stardust Potion •  Furnace Potion •  Pirate Potion  Emerald Stardust Potion •  Rocket Speed Potion •  Large Repel Potion  Large Bar Potion •  Ruby Stardust Potion •  Large Oil Factory Potion
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