Making Molten glass (Superglass Make - swamp weed)

Making Molten glass (Superglass Make - swamp weed) in OSRS: 13 × Bucket of sand, 13 × Swamp weed, 2 × Astral rune, 6 × Fire rune, 10 × Air rune → 16.9 × Molten glass. Profit right now: -1,658 gp after GE tax (input cost 3,078 gp).