Grimy toadflax

Grimy Toadflax is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "It needs cleaning."

It has a Grand Exchange buy limit of 13,000 every four hours, a high alchemy value of 11 gp, and item ID 3049.

View on OSRS Wiki

Grimy Toadflax shows an active flip setup with a margin of +23 gp and 537,581 trades over the last 24 hours.

At the buy limit of 13,000 every four hours, max profit per cycle is about 299.0k gp — high margin with healthy liquidity.