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Supercompost detail.png

Supercompost is a more potent version of compost and is used with the Farming skill. It significantly reduces the chance of a farming patch becoming diseased and increases the number of items harvested when the patch is fully grown.

Obtaining[edit | edit source]

To create supercompost, players must place 15 suitable organic items (see list below) into any of the compost bins that are located next to the allotment patches found around RuneScape. This will fill the bin. 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.

Uses[edit | edit source]

Supercompost can be used on a farming patch to reduce the chance of crops in it becoming diseased while growing to 1 in 8 (compare to 1 in 4 for normal compost and 1 in 10 for ultracompost), and increases the minimum number of crops that will be received by the player upon harvest. Applying a bucket of supercompost to a farming patch grants 26 Farming experience.

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.

Suitable items[edit | edit source]

Item Cost to Fill
Pineapple.pngPineapple 2,550
Watermelon.pngWatermelon 240
Coconut.pngCoconut 12,090
Papaya fruit.pngPapaya fruit 5,295
Mushroom.pngMushroom 5,445
Poison ivy berries.pngPoison ivy berries 3,255
Jangerberries.pngJangerberries 3,060
White berries.pngWhite berries 7,035
Toadflax.pngToadflax 24,120
Avantoe.pngAvantoe 26,325
Kwuarm.pngKwuarm 20,070
Snapdragon.pngSnapdragon 130,590
Cadantine.pngCadantine 23,175
Lantadyme.pngLantadyme 17,595
Dwarf weed.pngDwarf weed 11,100
Torstol.pngTorstol 147,300
Oak roots.pngOak roots 630
Willow roots.pngWillow roots 630
Maple roots.pngMaple roots 495
Yew roots.pngYew roots 2,775
Magic roots.pngMagic roots 24,810
Calquat fruit.pngCalquat fruit 2,550
White tree fruit.pngWhite tree fruit Not sold

Dropping monsters[edit | edit source]

Monster Combat level Quantity Rarity
Ancient Zygomite 109 2 (noted) 2; Common (~1/10)
Zygomite 74; 86 1–3 (noted) 3; Uncommon
Earth impling N/A 2 (noted) 3; Uncommon
Ancient Wyvern 210 8 (noted) 3; Uncommon
Vet'ion 454 100 (noted) 3; Uncommon
Venenatis 464 100 (noted) 3; Uncommon
Callisto 470 100 (noted) 3; Uncommon