Supercompost

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Supercompost detail.png

Supercompost is a superior version of compost that is used in the Farming skill to reduce the chance of a farming patch becoming diseased per growth stage by 6/7.[1] When used on a farming patch, each bucket grants 26 Farming experience.

In addition, it also increases the minimum yield and maximum number of harvests received from allotments, hops and herbs.[2] The minimum number of herbs per harvest increases to 5 (when compared with compost). This also applies to giant seaweed patches underwater[3] and Celastrus bark from a fully grown Celastrus seed.[4]

As a rule of thumb, supercompost should only be used on farming patches that produce a valuable harvest (such as high-level herbs) and/or provide significant experience for each item harvested (such as watermelons). Supercompost does not increase the yield of trees, fruit trees, or bush patches; therefore, it is not recommended to treat those patches with supercompost if you plan to pay a gardener to watch over them, since there is no benefit other than the extra 26 experience granted.

Players can add two volcanic ash to a bucket of supercompost, or add 25 volcanic ash to a compost bin that contains supercompost, to upgrade it to ultracompost.

Farming info[edit | edit source]

Creation[edit | edit source]

To create supercompost, players must place 15 suitable produce (see list below) into any of the compost bins that are located next to the allotment patches found around Gielinor. Once the bin is full, the lid of the compost bin must be closed to allow the contents to rot. This process takes approximately 90 minutes until completion, after which the player may open the compost bin and extract all of the supercompost by clicking on the bin or using buckets on it. Each bucket of supercompost collected grants the player 8.5 Farming experience.

Players may also use a compost potion to create supercompost. One dose of compost potion will change an entire finished bin of compost into supercompost, or one bucket of compost that has already been collected.

Supercompost can be purchased with reward points from the Tithe Farm minigame, for 5 points each.

The Lunar spell Fertile Soil can be used on a patch to apply the effect of supercompost to it without using any supercompost.

Requirements
SkillLevelXP
Farming Farming18.5
Members
Member icon.png
Ticks60 (36s) [r 1]
ToolsNoneFacilitiesFarming patch icon.png Compost Bin
Materials
ItemQuantityCost
Watermelon.pngWatermelon15285
Bucket.pngBucket1590
Total Cost375
Supercompost.pngSupercompost155,235
Profit4,860
  1. Filling 1 bucket takes 4 ticks, 60 ticks for 15.

Requirements
SkillLevelXP
Farming Farming45 (b)8.5
60% Hosidius favour required to enter the Farming Guild
Members
Member icon.png
Ticks120 (72s) [r 1]
ToolsNoneFacilitiesFarming patch icon.png Big Compost Bin
Materials
ItemQuantityCost
Watermelon.pngWatermelon30570
Bucket.pngBucket30180
Total Cost750
Supercompost.pngSupercompost3010,470
Profit9,720
  1. Filling 1 bucket takes 4 ticks, 120 ticks for 30.

Requirements
Members
Member icon.png
Ticks0 (0s)
Materials
ItemQuantityCost
Compost.pngCompost131
Compost potion(1).pngCompost potion(1)174
Total Cost105
Supercompost.pngSupercompost1349
Profit244[r 1]
  1. Due to Grand Exchange prices changing based on trade volume, this profit may not be fully accurate if the components are infrequently traded.

Requirements
SkillLevelXP
Farming Farming18.5
Members
Member icon.png
Ticks60 (36s) [r 1]
ToolsNoneFacilitiesFarming patch icon.png Compost Bin
Materials
ItemQuantityCost
Weeds.pngWeeds152,310
Compost potion(1).pngCompost potion(1)174
Bucket.pngBucket1590
Total Cost2,474
Supercompost.pngSupercompost155,235
Profit2,761
  1. Filling 1 bucket takes 4 ticks, 60 ticks for 15.

Requirements
SkillLevelXP
Farming Farming45 (b)8.5
60% Hosidius favour required to enter the Farming Guild
Members
Member icon.png
Ticks120 (72s) [r 1]
ToolsNoneFacilitiesFarming patch icon.png Big Compost Bin
Materials
ItemQuantityCost
Weeds.pngWeeds304,620
Compost potion(1).pngCompost potion(1)174
Bucket.pngBucket30180
Total Cost4,874
Supercompost.pngSupercompost3010,470
Profit5,596
  1. Filling 1 bucket takes 4 ticks, 120 ticks for 30.

Suitable items[edit | edit source]

For information about the cost/profit on creating supercompost, see Calculator:Farming/Supercompost profit

Item Cost to Fill Big Compost Bin
Pineapple.png Pineapple 1,875 3,750
Tenti pineapple.png Tenti pineapple Not sold
Watermelon.png Watermelon 285 570
Snape grass.png Snape grass 4,530 9,060
Papaya fruit.png Papaya fruit 9,855 19,710
Coconut.png Coconut 15,555 31,110
Coconut shell.png Coconut shell Not sold; no other use
Half coconut.png Half coconut Not sold
Dragonfruit.png Dragonfruit 14,355 28,710
Mushroom.png Mushroom 1,050 2,100
Jangerberries.png Jangerberries 2,775 5,550
White berries.png White berries 2,280 4,560
Poison ivy berries.png Poison ivy berries 810 1,620
Toadflax.png Toadflax 33,285 66,570
Grimy toadflax.png Grimy toadflax 32,190 64,380
Avantoe.png Avantoe 24,105 48,210
Grimy avantoe.png Grimy avantoe 23,520 47,040
Kwuarm.png Kwuarm 22,620 45,240
Grimy kwuarm.png Grimy kwuarm 21,480 42,960
Snapdragon.png Snapdragon 128,265 256,530
Grimy snapdragon.png Grimy snapdragon 127,425 254,850
Cadantine.png Cadantine 27,435 54,870
Grimy cadantine.png Grimy cadantine 26,685 53,370
Lantadyme.png Lantadyme 23,670 47,340
Grimy lantadyme.png Grimy lantadyme 23,220 46,440
Dwarf weed.png Dwarf weed 13,710 27,420
Grimy dwarf weed.png Grimy dwarf weed 13,650 27,300
Torstol.png Torstol 106,185 212,370
Grimy torstol.png Grimy torstol 105,885 211,770
Oak roots.png Oak roots 990 1,980
Willow roots.png Willow roots 330 660
Maple roots.png Maple roots 1,035 2,070
Yew roots.png Yew roots 1,845 3,690
Magic roots.png Magic roots 29,220 58,440
Celastrus bark.png Celastrus bark 125,550 251,100
Calquat fruit.png Calquat fruit 1,440 2,880
White tree fruit.png White tree fruit Not sold
White lily.png White lily 10,515 21,030

Products[edit | edit source]

ItemMembersSkillsXPMaterials
Nature house icon.pngNature house
Member icon.png
  • Construction 92
  • Construction 3038
Otherworldly theme icon.pngOtherworldly theme
Member icon.png
  • Construction 75
  • Construction 316
Ultracompost.pngUltracompost
(Direct addition)
Member icon.png
  • None
  • None

Item sources[edit | edit source]

For an exhaustive list of all known sources for this item, see here (include RDT).
SourceLevelQuantityRarity
Ancient Wyvern210 Multicombat.png7–10 (noted)3/132
Ancient Zygomite109 Multicombat.png(noted)12.8/118
Callisto470 Multicombat.png100 (noted)4.75/128
Earth impling jarN/A Casket.png(noted)1/100
Earth impling36; 46 Hunter icon.png(noted)1/100
Venenatis464 Multicombat.png100 (noted)4.75/128
Vet'ion454 Multicombat.png100 (noted)4.75/128
Zygomite74; 86 Multicombat.png(noted)6/137
Zygomite74; 86 Multicombat.png1–3 (noted)6/140

Shop locations[edit | edit source]

This list was created dynamically. For help, see the FAQ. To force an update of this list, click here.
SellerLocationNumber
in stock
Restock
time
Price
sold at
Price
bought at
Members?
Farmer Gricoller's RewardsHosidiusN/A5N/AMember icon.png

Changes[edit | edit source]

Date Changes
10 September 2020
(update)

The Grand Exchange buy limit was changed from 600 to 2,000.

4 January –
6 February 2007

The item was renamed from "Super compost" to "Supercompost".

22 March 2006
(update)

The item was graphically updated.

Gallery (historical)[edit | edit source]

Supercompost detail (historical).png
Supercompost detail.png
Supercompost (historical).png
Supercompost.png
11 July 2005 ⁠–
22 March 2006
22 March 2006 ⁠–
present

References[edit | edit source]

  1. Jagex. Mod Kieren's Twitter account. 8 September 2017. (Archived from the original on 28 May 2020.) Mod Kieren: "So with the release of Ultracompost I figured I'd explain how compost affects crops dying. Sorry it is very word heavy! Fire any questions:)"
  2. Jagex. Mod Ash's Twitter account. 24 January 2019. (Archived from the original on 28 May 2020.) Mod Ash: "[Flower/berry/cactus patches] don't depend on the compost state. Allotments, hops and herbs do."
  3. Jagex. Mod Ash's Twitter account. 72 July 2018. (Archived from the original on 28 May 2020.) Mod Ash: "[Does compost increase giant seaweed yield?] Yeah."
  4. Jagex. Mod Ash's Twitter account. 24 January 2019. (Archived from the original on 28 May 2020.) Mod Ash: "Yes, celastrus would be helped by composting."