Clean featherfoil is the highest tier 2 herb, and can be obtained by cleaning a grimy featherfoil while training Dungeoneering in Daemonheim's dungeons. Using it requires at least level 42 Herblore, and it can be added to a vial of water to create one of 4 different potions.
It can be used to make the following potions:
| Herblore level||41|
| Dungeon Complexity: 5+|
| Members only||Yes|