Urt salt

Urt Salt is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "A green salt that, when burned with other salts provides various benefits."

It has a Grand Exchange buy limit of 10,000 every four hours, a high alchemy value of 6 gp, and item ID 22597.

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Urt Salt shows an active flip setup with a margin of +33 gp and 343,396 trades over the last 24 hours.

At the buy limit of 10,000 every four hours, max profit per cycle is about 330.0k gp — high margin with healthy liquidity.