Guam potion (unf)

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.

Potions
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 per potion, however, the experience per hour is doubled.

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