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Guam potion (unf) detail.png

A guam potion (unf) is an unfinished potion made via the Herblore skill. Players make it by using a clean guam on a vial of water.

It can be used to make the attack potion at level 1 by adding a eye of newt, earning 25 experience, or ranging potion at level 3 by adding a Redberries, earning 30 experience. It is also used to make the super fishing explosive at level 31 by adding rubium, earning 55 experience.


Guam potion (unf).png Guam potion (unf)
Herblore-Make-X GE icon.png
1 XP-1,120
Herblore Herblore level1
P2P icon.png Members onlyNo
Vial of water.pngVial of water19696
Clean guam.pngClean guam1738738
Total price834


Level Potion Secondary Ingredient XP Cost Cost/XP
1 Attack potion Eye of newt 25 −904 −36.16
3 Ranging potion Redberries 30 −330 −11
31 Super fishing explosive Rubium 55 −1,120 −20.36

These costs are calculated based on buying the unfinished potion premade. This allows you to skip putting clean guams in a vial of water. However, this method is more expensive. The extra loss accumulated via this method is −286 per potion, however, the experience per hour is doubled.


The profit for making an unfinished guam potion using either a vial of water or filling your own vial is as follows.

Herb: Using Vial of Water Filling your own Vial
Clean 286 380
Grimy 315 409


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