A marrentill potion (unf) is an unfinished potion made via the Herblore skill. Players make it by using a clean marrentill on a vial of water.
It is used to make defence potions at level 9 Herblore by adding bear fur, yielding 45 experience, or antipoison at level 13 by adding a unicorn horn dust, earning 50 experience.
Creation
 | - |  | ||
|---|---|---|---|---|
| 1 XP | - | 628 | ||
| Requirements | ||||
| Herblore level | 9 | |||
 Members only | Yes | |||
| Materials | ||||
| Item | Quantity | Price | Total | |
 | Vial of water | 1 | 94 | 94 |
 | Clean marrentill | 1 | 2,743 | 2,743 |
| Total price | 2,837 | |||
Potions
| Level | Potion | Secondary Ingredient | XP | Cost | Cost/XP |
|---|---|---|---|---|---|
| 9 | Defence potion | Bear fur | 45 | 299 | 5.98 |
| 13 | Antipoison | Unicorn horn dust | 50 | -1,186 | -23.72 |
These costs are calculated based on buying the unfinished potion premade. This allows you to skip putting clean marrentills in a vial of water. However, this method is more expensive. The extra loss accumulated via this method is 2,209 per potion, however, the experience per hour is doubled.
Profitability
The profit for making an unfinished marrentill 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 | -2,209 | -2,117 |
| Grimy | -1,860 | -1,768 |
Disassembly
| Disassembly XP | 0.1 |
|---|---|
| Item quantity required | 1 |
| Material count | 1 |
| Base junk chance | 98.9% |
| Possible materials | |
| Often | |
 Simple parts | 99% |
| Rarely | |
 Variable components | 1% |
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