Potion of acid

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! Pink potion.png
Name acid
Appearance random
Base price 250 zm
Weight 20
Monster use May be used offensively by monsters.

A potion of acid may not be diluted to water. However, a potion of acid can be cancelled to turn it into a potion of water.

If #dipped in water, acid will boil and cause you 1-10 points of damage (except in containers). Walking into water with potions of acid in your inventory can make them explode, even inside a sack or bag of holding[1], but they will never dilute or deal damage. The only ways to obtain diluted acid presumably are wishing, or random alchemy results.

Dipping items vulnerable to corrosion such as iron erodes the dipped item.[2]

If you quaff a potion of acid when you are turning to stone, you will be cured of your stoning. You will abuse your constitution and take 1d4 points of damage if blessed, 1d8 points of damage if uncursed, and 2d8 points of damage if cursed.

Acid is best used either as a thrown weapon or as an emergency stoning cure. (Drinking acid does not break the vegan or vegetarian conducts.)

If a monster throws a potion and hits another monster with it, or you throw an unidentified potion at a monster, and the monster "shrieks in pain" or "writhes in pain", the potion is a potion of acid. Holy water can give the same message, but monsters do not use it. You will be prompted to type-name the potion unless it already was named.


Unpatched vanilla NetHack will semi-reliably crash if you trigger the following bugs. They are fixed on nethack.alt.org and in most variants.


This burns a lot!
A monster threw at you, or you quaffed a cursed potion of acid.
This burns like acid!
You quaffed an uncursed potion of acid, and you are not acid resistant.
This tastes sour.
You quaffed any potion of acid, while acid resistant.
This burns!
You quaffed or were hit by a uncursed potion of acid, and you are not acid resistant.
This burns a little!
You quaffed or were hit by a blessed potion of acid, and you are not acid resistant.

If the potion was thrown at you or you drank the potion you will be prompted to name it.


In UnNetHack, potions of acid dissolve iron bars when they hit them.[3] To do this, wield a potion of acid and use the fight (F) command. If done with more than one potion of acid wielded, only one of them is destroyed.

Dipping a lichen into a potion of acid will identify it.


Valuable gems can be dipped into potion of acid to make new potions. See Gem Alchemy.


This page may need to be updated for NetHack 3.6.1.

It may contain text specific to NetHack 3.4.3. Information on this page may be out of date.

Editors: After reviewing this page and making necessary edits, please change the {{nethack-343}} tag to {{nethack-360}} or {{noversion}} as appropriate.