Casting Superglass Make with giant seaweed
Processing Moderate Members Ironman-friendly
Each giant seaweed counts as six seaweed, so one cast turns 18 sand into about 23 molten glass (1.3x bonus on average). Bank, withdraw, cast, repeat; the rate is bank-trip limited.
Requirements
- Skills: 77 Magic
- Quests: Lunar Diplomacy
- Note: Lunar spellbook. One cast per inventory of 3 giant seaweed + 18 buckets of sand.
How to do it
Method rates and requirements here are independently authored. For the step-by-step guide, see the OSRS Wiki page (CC BY-NC-SA 3.0).
Last 7 days
Hourly GP/hr snapshots.
The math (per hour)
| Item | Qty/hr | Unit | Total |
|---|---|---|---|
| Molten glass | 2,574 | 89 | +229,086 |
| Giant seaweed | 330 | 66 | −21,780 |
| Bucket of sand | 1,980 | 8 | −15,840 |
| Astral rune | 220 | 117 | −25,740 |
| Fire rune | 660 | 5 | −3,300 |
| Air rune | 1,100 | 6 | −6,600 |
| Revenue | 229,086 | ||
| Costs | −73,260 | ||
| Profit / hour | 156K |
Sell prices are after 2% GE tax (capped at 5M, items under 50 gp exempt). Inputs use the instant-buy price, outputs the instant-sell price — the conservative assumption. Buy-limit cap: none.
Prices updated 1s ago. Figures are estimates: buy at instant-buy price, sell at instant-sell price after 2% GE tax.
Something wrong?
Rates, requirements or items off? Tell us and we'll fix the data.
Reports are checked automatically: when 3 people agree on a rate, the method is updated without waiting for a human. Current figure: 110 actions/hr.