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Supercompost detail.png

Supercompost is a more potent version of compost and is used in conjunction with the Farming skill. For many farming plots, supercompost reduces the chance of a player's crops becoming diseased while growing (better than regular compost does), as well as increasing the minimum amount of produce from the crops. For herb and allotment patches, using compost will increase the number of harvest lives by 2. Up to 2,000 supercompost may be stored at the tool leprechaun. Supercompost has a green colour, while compost has a green-brown colour, when in the compost bin or bucket.

The chance of a plant that has been treated with supercompost dying is 14%. With ultracompost it's 7%.

To make supercompost, a player must place 15 suitable organic items (see below) into any of the compost bins that are located next to the allotment patches found around RuneScape. Note that supercompostable items added to a compost bin on a free-to-play world will create normal compost, not supercompost. Once the suitable items have been added, and the lid of the compost bin closed, the contents will begin to rot, taking 90 minutes until completion. During this time the player will not be able to open the compost bin or add any more items.

Once the supercompost has finished rotting, the player may open the compost bin and extract all of the supercompost by using a bucket on it. Altogether one full bin will yield 15 buckets of supercompost. Each bucket of supercompost collected by the player will grant that player 8.5 Farming experience. When used on a farming patch, each bucket will grant an additional 26 experience.

Alternatively, players can add a dose of compost potion into a ready full compost bin to create supercompost.

Pet droppings from Legendary Pets special move Fertiliser also yield 6 supercompost on members worlds. Rarely they may instead give the Easter eggs of Mod Dolan's rubber duck or Mod Daze's homework.

Supercompost items[edit | edit source]

Some suitable items (selected cheapest) are listed below, but for certainty, use the item on the farmer by the patch and they will tell if the item makes compost or supercompost.

Item Price GE Limit
Oak roots.png: RS3 Inventory image of Oak roots Oak roots 475 100
Willow roots.png: RS3 Inventory image of Willow roots Willow roots 373 100
Maple roots.png: RS3 Inventory image of Maple roots Maple roots 458 100
Calquat fruit.png: RS3 Inventory image of Calquat fruit Calquat fruit 401 100
Coconut shell.png: RS3 Inventory image of Coconut shell Coconut shell 67 1000
Pineapple.png: RS3 Inventory image of Pineapple Pineapple 712 1000
Watermelon.png: RS3 Inventory image of Watermelon Watermelon 666 10000
Grapes of Guthix.png: RS3 Inventory image of Grapes of Guthix Grapes of Guthix Untradeable N/A
Green manure.png: RS3 Inventory image of Green manure Green manure Untradeable N/A
Peach.png: RS3 Inventory image of Peach Peaches Untradeable N/A
Pungent vine.png: RS3 Inventory image of Pungent vine Pungent vine Untradeable N/A
White tree fruit.png: RS3 Inventory image of White tree fruit White tree fruit Untradeable N/A

Quick supercompost[edit | edit source]

  • A quick and cheap way to get materials for making supercompost is by using pineapples.
    • Pineapples may be picked in the Brimhaven Jungle, directly north of the Karamja lodestone. Each plant in the Brimhaven Jungle yields 5 pineapples each, and the nearby leprechauns can note pineapples, without the need for banking. The calquat fruit is nearby for easy harvesting. If you pick pineapples, come with at least 26 empty inventory spots (one for the notes and 25 for the pineapples). World hopping is highly recommended.
    • Fruitfall scrolls for the Fruit bat can also be used to obtain pineapples among limes, papayas (every scroll), oranges, lemons and bananas.
    • Players can get 40 noted pineapples every day from Dell Monti near the POH portal in Brimhaven after completing the easy Karamja Tasks.
    • Players may purchase 40 pineapples per day from Arhein, who is at the pier in Catherby, for 2 coins each.
    • Finally pineapples may be purchased on the Grand Exchange for 712 coins each, but it is also worth considering Calquat fruit or Watermelon as alternatives, as they currently sell on the Grand Exchange for 401 coins each and 666 coins each respectively.
  • Alternatively, compost potions can be obtained from the Vinesweeper minigame for 5,000 points, or at the Grand Exchange. These potions can be used on a compost bin, which turns the normal compost inside the bin into supercompost. This generates 15 buckets of supercompost. Compost potions have 4 doses, so a single potion can produce 60 buckets of supercompost.

Making Profit from supercompost[edit | edit source]

  • Supercompost currently sells on the Grand Exchange for 1,583.
    • An efficient way to make profit is from selling supercompost on the Grand Exchange. A quick way to gain Supercompost is to plant watermelon seeds, at a cost of 10,800 per plot, at an allotment patch, and then use the watermelons you harvest to make supercompost. Only 15 watermelons are needed to be harvested each time to make the supercompost. You can essentially use this method a few times before you have to re-plant the watermelon seeds, because anywhere between 5-56 watermelons can be harvested per plot. If you sell the supercompost you obtain from this, you generate 11,362 with re-planting the seeds in one plot. Even if you had to re-plant both plots, your profit would still be 562. If you do not have to re-plant the seeds at all, which happens regularly, you would make 12,945 from the Supercompost you sell. If you did this for all eight allotments and did not have to re-plant you would make 8,580. This method is suggested with having magic secateurs equipped and using Supercompost before re-planting your watermelon seeds.

Drop sources[edit | edit source]

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For an exhaustive list of all known sources for this item, see here (include RDT).
Automaton Generator84; 115 Multicombat.png15 (noted)3/40P2P icon.png
Automaton Guardian84; 115 Multicombat.png15 (noted)UncommonP2P icon.png
Automaton Tracer84; 115 Multicombat.png15 (noted)3/50P2P icon.png
Crwys worker97 Thieving-icon.png(noted)UncommonN/A
Earth impling36 Hunter-icon.png(noted)RareN/A
Earth impling jarN/A Reward(noted)RareN/A
Farming crate (small)? Multicombat.png7–13RandomP2P icon.png
Mutated zygomite58; 65 Multicombat.png1–3 (noted)UncommonP2P icon.png

Disassembly[edit | edit source]

Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • ninja 6 February 2017 (Update):
    • You can now add compost to a patch after planting something.

See also[edit | edit source]