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. Players are advised to use these potions for their own compost bins instead of selling them away, as they will earn more by making buckets of supercompost, which in turn can be upgraded to ultracompost. Note that the player cannot add a dose of compost potion to compost bins containing a combination of normal compost and supercompost vegetation (in any combination).

Creation[edit | edit source]

Herblore Herblore2260
Member icon.png
Ticks2 (1.2s)
pxHarralander potion (unf)1725
pxVolcanic ash166
Total Cost791
pxCompost potion(3)1108

Price per dose[edit | edit source]

Item Price per dose
Compost potion(1).png Compost potion(1) 117
Compost potion(2).png Compost potion(2) 129
Compost potion(3).png Compost potion(3) 36
Compost potion(4).png Compost potion(4) 105

Store locations[edit | edit source]

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in stock
sold at
bought at
Dom Onion's Reward ShopYanille5,000N/AMember icon.png

Changes[edit | edit source]

Date Changes
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.
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.