Soda ash is obtained from cooking seaweed, swamp weed, or kelp on a range or fire. It is an ingredient for making glass in crafting, along with a bucket of sand. It must then be smelted in a furnace to make molten glass. It can also be obtained as an uncommon drop from killerwatts and dust devils.
Soda ash is usually obtained by gathering seaweed, kelp or swamp weed in areas such as Dorgesh-Kaan, the beach near Rellekka and Keldagrim, Entrana, Karamja, or the Piscatoris Fishing Colony (upon completion of the Swan Song quest). Soda ash can also be obtained by pickpocketing Ithell workers in Prifddinas.
Making soda ash gives you 1 Cooking experience.
Soda ash can be converted into Molten glass without needing a bucket of sand by using a Desert amulet 2 or higher. This can be done 50 times a day, or 100 with a Desert amulet 3 and 150 with a Desert amulet 4.
Cooking seaweed into soda ash yields a profit/loss of −19 coins each.
Drop sources[]
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- For an exhaustive list of all known sources for this item, see here.
| Source | Combat level | Quantity | Rarity |
|---|---|---|---|
| Corrupted worker | 113 | 40 | Common |
| Dust devil | 85 | 4 | Common |
| Dust devil (elite) | 95 | 4–80 | Common |
| Ithell worker | N/A | 1 | Uncommon |
| Killerwatt | 61 | 2 | Uncommon |
| Rock lobster | 100 | 1 | Uncommon |
Disassembly[]
| Disassembly XP | 0.1 |
|---|---|
| Item quantity required | 1 |
| Material count | 1 |
| Base junk chance | 98.9% |
| Possible materials | |
| Often | |
 Simple parts | 99% |
| Rarely | |
 Variable components | 1% |
