Gielinor's Ledger
Extended antifire mix(1)

Extended antifire mix(1)

One dose of fishy extended anti-firebreath potion.

MembersBuy limit 2,000Potions & Drinks
Insta-buy

317gp

Insta-sell

344gp

Spread

-27gp

-7.85%
Margin

-33gp

-9.59% ROI
Volume

—

Trend

—

Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread
30D low
317
30D high
344
Volatility
8.2%

Flip calculator

Includes the 2% Grand Exchange tax

gp
gp
units
Net profitLoss

-33gp

-33 per item · -9.59% ROI

Tax puts break-even at 351 gp.

Capital required
344 gp
Gross revenue
317 gp
GE tax (2%, 6/item)
− 6 gp
Break-even sell
351 gp

Item data

High alchemy
96 gp69.7% below market
Low alchemy
64 gp
Shop value
160 gp
Weight
0.05 kg
Skill / type
Herblore
Stack / note
Not stackable · noteable
Released
Mar 27, 2014

About Extended antifire mix(1)

The Extended antifire mix(1) is a members-only potion in Old School RuneScape.

"One dose of fishy extended anti-firebreath potion"

Over the last 30 days it traded between 114 and 344 gp on the Grand Exchange, averaging 220 gp. About 64 units changed hands per day. The price is up 190.4% across that window. The Grand Exchange buy limit is 2,000 every 4 hours. Selling one at the average price costs 4 gp in Grand Exchange tax.

Casting High Level Alchemy returns 96 gp, which is 56.4% below the 30-day average price, so alching a bought one loses money.

Extended antifire mix(1) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Extended antifire mix(1) on the Grand Exchange
MonthAverageLowHighVolume
October 202612d2731983441,210
September 20261831143441,290
August 2026287566643,511
July 2026426937643,611
June 202621d209932954,129
May 20262d202198206n/a
April 20261d2012012011
March 20262747836222,493
February 202628413137314,690
January 202625213140714,822

Across 10 months of recorded prices Extended antifire mix(1) ranged from 56 gp in August 2026 to 764 gp in July 2026, measured over 215 trading days.

The 30-day average of 220 gp sits in the lower third of that range.

All prices in gp. Volume counts units traded across both sides of the Grand Exchange.