Extended super antifire mix(1)

One dose of fishy extended super anti-firebreath potion.

MembersBuy limit 2,000Potions & Drinks

Wiki

Insta-buyHighest recent buy

200,000gp

Insta-sellLowest recent sell

—gp

SpreadBefore tax

—gp

—

MarginAfter 2% GE tax

—gp

—

VolumeTraded in 30D

—

TrendMid price, 30D

—

Price history

1 points · hover for detail

Insta-buy (high)Insta-sell (low)Spread

30D low: 200,000
30D high: 200,000
Volatility: 0.0%

Flip calculator

Includes the 2% Grand Exchange tax

Buy at

Sell at

Quantity

units

Net profitProfitable

+196,000gp

+196,000 per item · — ROI

Capital required: 0 gp
Gross revenue: 200,000 gp
GE tax (2%, 4,000/item): − 4,000 gp
Break-even sell: 0 gp

Item data

High alchemy: 96 gp100.0% below market
Low alchemy: 64 gp
Shop value: 160 gp
Weight: 0.05 kg
Skill / type: Herblore
Stack / note: Not stackable · noteable
Released: Jan 25, 2018

About Extended super antifire mix(1)

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

"One dose of fishy extended super anti-firebreath potion"

Over the last 30 days it traded between 48,250 and 200,000 gp on the Grand Exchange, averaging 112,050 gp. The price is up 110.4% across that window. The Grand Exchange buy limit is 2,000 every 4 hours. Selling one at the average price costs 2,241 gp in Grand Exchange tax.

Casting High Level Alchemy returns 96 gp, which is 99.9% below the 30-day average price, so alching a bought one loses money.

Extended super antifire mix(1) price history

Daily averages rolled up per month, newest first.

Monthly average, low and high price of Extended super antifire mix(1) on the Grand Exchange
Month	Average	Low	High	Volume
October 20261d	101,500	101,500	101,500	n/a
September 20265d	200,000	200,000	200,000	n/a
August 202620d	103,350	48,250	200,000	1
July 2026	47,874	46,854	48,250	2
June 202621d	47,133	46,854	51,505	3,143
May 20262d	51,505	51,505	51,505	n/a
April 20261d	51,505	51,505	51,505	n/a
March 2026	51,447	51,339	51,505	16,277
February 2026	29,425	25,795	51,339	16,115
January 202616d	25,796	25,795	25,796	8,640

Across 10 months of recorded prices Extended super antifire mix(1) ranged from 25,795 gp in January 2026 to 200,000 gp in August 2026, measured over 156 trading days.

The 30-day average of 112,050 gp sits around the middle of that range.

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

Similar items

Comparable potions & drinks