- Sold by Greirat while in Firelink Shrine for 500 souls.
- If Greirat dies, the player can obtain Greirat's Ashes and provide them to the Shrine Handmaid to increase her stock allowing for the purchase of these clumps.
- Common drop by the Lesser Crabs in the Road of Sacrifices marshes.
- Rare drop from Cathedral Grave Wardens found in the Cathedral of the Deep.
Bloodred Moss Clumps are used to remove Bleed buildup. They can also remove the maggot's from the player's body when infested.