Compost potion

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Compost potion(1) detail.png
Compost potion(2) detail.png
Compost potion(3) detail.png
Compost potion(4) detail.png

Compost potions are made by mixing harralander and volcanic ash in a vial of water. Doing so requires level 22 Herblore and gives 60 experience.

A compost potion is one of the quest rewards after completing Garden of Tranquillity, and can be purchased with 5,000 reward points from participating in the Nightmare Zone minigame.

Players can use a dose of compost potion on a bucket of compost to make it into supercompost, or use a dose on a full compost bin to obtain 15 buckets of supercompost instead. It can also be used on Big Compost Bin which turns all 30 buckets of compost into super with a single dose, thus doubling the potion's benefit.

Creation[edit | edit source]

Herblore Herblore22 (b)60
Member icon.png
Ticks2 (1.2s)
Harralander potion (unf).pngHarralander potion (unf)1785
Volcanic ash.pngVolcanic ash161
Total Cost846
Compost potion(3).pngCompost potion(3)170

Price per dose[edit | edit source]

Item Price per dose
Compost potion(1).png Compost potion(1) 74
Compost potion(2).png Compost potion(2) 92
Compost potion(3).png Compost potion(3) 23
Compost potion(4).png Compost potion(4) 36

Shop locations[edit | edit source]

This list was created dynamically. For help, see the FAQ. To force an update of this list, click here.
in stock
sold at
bought at
Dom Onion's Reward ShopYanilleN/A5,000N/AMember icon.png

Changes[edit | edit source]

Date Changes
26 August 2020

The ‘Drink Like a Barbarian’ ability now works on Supercompost Potions. That explains the state of the Barbarians’ loos.

20 June 2019

Compost potions now require level 22 Herblore rather than 21 due to a Harralander potion (unf) requiring level 22 Herblore to create.

7 September 2017
(update | poll)

Compost potions can now be created by players.

15 April 2016

Half full potions could now be turned into bank placeholders.

5 September 2013

Compost potions can now be purchased as a reward from the Nightmare Zone minigame.

Trivia[edit | edit source]

  • This potion is one of the few in the game that players cannot drink.
  • Prior to the release of the Nightmare Zone, compost potions were only obtainable as a one-time reward from completing the Garden of Tranquillity quest.