Marrentill tar
A thick, foul-smelling, tar-like substance with an orange tinge.
3gp
2gp
1gp
+1gp
—
—
Price history
1 points · hover for detail
- 30D low
- 2
- 30D high
- 3
- Volatility
- 40.0%
Flip calculator
Includes the 2% Grand Exchange tax
+1gp
+1 per item · +50.00% ROI
- Capital required
- 2 gp
- Gross revenue
- 3 gp
- GE tax (2%, 0/item)
- − 0 gp
- Break-even sell
- 2 gp
Item data
- High alchemy
- 1 gp66.7% below market
- Low alchemy
- 1 gp
- Shop value
- 1 gp
- Weight
- 0 kg
- Skill / type
- Ammo
- Requires
- Herblore 31
- Stack / note
- Stackable · not noteable
- Released
- Nov 21, 2006
About Marrentill tar
The Marrentill tar is a members-only type of ammunition in Old School RuneScape.
"A thick, foul-smelling, tar-like substance with an orange tinge"
Over the last 30 days it traded between 2 and 7 gp on the Grand Exchange, averaging 4 gp. About 224,387 units changed hands per day. The price is up 150.0% across that window. The Grand Exchange buy limit is 7,000 every 4 hours.
Casting High Level Alchemy returns 1 gp, which is 75.0% below the 30-day average price, so alching a bought one loses money.
How to get Marrentill tar
Only Locust rider (1/128) and Scarab Mage (1/128) drop Marrentill tar. It can be made from Swamp tar and Marrentill.
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Locust rider | 1/128 | 80 |
| Scarab Mage | 1/128 | 80 |
Recipes
Where this item appears in crafting and processing.
Made from
- 15× Swamp tar, 1× Marrentill makes 15
Marrentill tar price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 5 | 4 | 7 | 3,127,063 |
| September 2026 | 4 | 2 | 7 | 5,673,715 |
| August 2026 | 4 | 2 | 6 | 5,380,643 |
| July 2026 | 3 | 2 | 6 | 4,871,072 |
| June 202621d | 3 | 2 | 4 | 2,495,336 |
| May 20262d | 4 | 4 | 4 | 176,880 |
| April 20261d | 4 | 4 | 4 | 189,288 |
| March 2026 | 3 | 1 | 4 | 1,909,368 |
| February 2026 | 2 | 1 | 3 | 208,121 |
| January 2026 | 2 | 1 | 3 | 17,856 |
Across 10 months of recorded prices Marrentill tar ranged from 1 gp in January 2026 to 7 gp in September 2026, measured over 218 trading days.
The 30-day average of 4 gp sits around the middle of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
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