Zahur

Zahur is a herbalist in Nardah found in the building just north of the bank. She can provide various Herblore-related services to players. Having her clean a herb is a requirement for the Desert Easy Diary. She is involved in the Beneath Cursed Sands, helping the player to find the origins of the pox in Sophanem and creating a cure for it. She also has trained under the Apothecary in Varrock.

Zahur will decant potions for free. Players can either talk with her or use her right-click Decant option. She will decant all the potions in the player's inventory, noted or unnoted, and the player may choose what dose potions. If the player does not have enough empty vials in their inventory to hold the requested potions, Zahur will automatically sell them the required number of vials at their current Grand Exchange price plus 2 coins each.

This service is also offered by Bob Barter at the Grand Exchange.

Zahur is able to clean grimy herbs for players for a fee of 200 coins each. By default, she will only clean unnoted grimy herbs, however she will also exchange noted herbs for players who have completed the Desert Hard Diary, for the same price of 200 coins each.

Zahur cannot clean herbs used in the Jungle Potion quest, claiming she's "not very good at cleaning jungle herbs".

This service can be useful for Ironmen wishing to build a revitalisation pool early, by having her clean grimy torstols and exchanging them for stamina potions through the Dr Jekyll random event.

Upon completion of the Desert Hard Diary, or while wearing the Herblore cape, the right-click option "Make unfinished potion(s)" becomes useable. Players can use this to have Zahur make unfinished potions for them for 200 coins per potion. Zahur will accept both noted and unnoted clean herbs and vials of water or vials of blood, and will combine all the herbs and vials in the player's inventory that they can afford into unfinished potions. Note that this option is not available through her dialogue, only via the right-click option. Zahur cannot turn coconut milk into antidotes or weapon poisons.

Assuming one can make 4,000 unfinished potions in one hour using clean herbs and vials of water manually, paying Zahur would cost 800,000 coins for the hour you would have spent making the 4,000 potions. Further equating this for 1000 vials and herbs, the cost would be 200,000 per 15 minutes.