GGleason's Gielinor GuideAn adventurer's field notes← All money guides
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SKILLING • HIGH ATTENTION

Blast Furnace bars

Process ore with half the usual coal requirement while training Smithing and responding to live bar spreads.

REQUIREMENT

Coal bag strongly recommended; relevant Smithing level

Low risk

PREP

Set up once

  • ✓Ice gloves
  • ✓Coal bag
  • ✓Stamina potions
  • ✓Ore and coins for the coffer

THE LOOP

Run the method

  1. 1Check ore-to-bar margin including the operating fee.
  2. 2Use a dedicated Blast Furnace world.
  3. 3Keep the conveyor, dispenser, and bank rhythm tight.
  4. 4Sell a test batch before committing all capital.
YOUR EDGE

Mithril, adamant, and runite bars benefit from the reduced coal requirement.

WATCH FOR

Margins can compress quickly when a method becomes popular.

Prices change. Your math shouldn't.

Verify the margin before you start.

Open live tools →