Collecting giant seaweed underwater at Fossil Island
Collecting Low (AFK) Members Ironman-friendly
Dive down from the Fossil Island beach, pick up the giant seaweed spawns and hop worlds when they are gone. Relaxed and safe; worth it mainly because giant seaweed feeds the molten glass market.
Requirements
- Quests: Bone Voyage
- Items: Fishbowl helmet, Diving apparatus
- Note: Giant seaweed spawns on the seabed south of the Fossil Island beach; use the underwater deposit box via Ceto.
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 |
|---|---|---|---|
| Giant seaweed | 300 | 64 | +19,200 |
| Revenue | 19,200 | ||
| Costs | −0 | ||
| Profit / hour | 19K |
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 46s 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: 300 actions/hr.