Making Molten glass (Superglass Make - soda ash)

Making Molten glass (Superglass Make - soda ash) in OSRS: 13 × Bucket of sand, 13 × Soda ash, 2 × Astral rune, 6 × Fire rune, 10 × Air rune → 16.9 × Molten glass. Profit right now: +695 gp after GE tax (input cost 725 gp).