Alternatively, you can create a bin of normal Compost and add a dose of Compost potion to it before emptying the bin. Note that the potion can be added to individual buckets of Compost, however, it is more efficient to add to an entire bin.
Compost bins are found at the following Farming locations:
- West of Port Phasmatys
- South of Falador
- Within the Herblore Habitat
- North of the Taverley lodestone
- North of Catherby
- North of East Ardougne, at the Player-Owned Farms
- Near the bushes in North West Crwys
The following items can be used to make Supercompost:
Note that you MUST use 15 of these items, in any combination. Using items not on this list will cause you to make normal Compost instead.
6 buckets of Supercompost are obtained using the Fertiliser ability on your legendary pet.