Seaweed

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This article is about the common seaweed. For the item found during the quest Hunt for Red Raktuber, see Seaweed (Hunt for Red Raktuber).
Seaweed detail.png

Seaweed is a key ingredient in making molten glass, although it must first be cooked into soda ash. This is not necessary if the player is using the Lunar spell Superglass Make. Using seaweed on a range or fire yields soda ash, giving 1 Cooking experience per seaweed cooked, 4 xp if a dwarven army axe is either wielded or in the player's inventory.

A pestle and mortar can be used on seaweed to create ground seaweed, which is only used for making fish food, and awards the player with 1 Cooking experience.

Obtaining seaweed[edit | edit source]

For free[edit | edit source]

Seaweed can be found in several places, along shorelines and sometimes rivers. Some locations are:

  • Karamja. The western and eastern shores of the central part of the island have seaweed, as does the northern shore of east Karamja (south of Musa Point). The north bank of the river flowing through Shilo Village has 3 seaweed.
  • Entrana. 20 total: 9 east of the chicken pen, 6 north of the Law Altar, and 5 south-west of the sand pit and farming patch (Weapons and armour cannot be taken to Entrana.)
  • Northern Fremennik Province, in the Rock Crab area north-west of the entrance to Keldagrim. This area has 9 seaweed spawns and is recommended. Use a full inventory of seaweed nets to maximize gathering speed. Players can use the cave to go to Keldagrim and bank there, or access the bank at Zanaris using Fairy ring DKS. (Players must complete at least part of the quest A Fairy Tale Part II to have full access to the fairy rings.) Players can use the Rellekka lodestone to teleport fairly close. 
  • North-eastern corner in Piscatoris Fishing Colony. There are two nets with seaweed.
  • Seaweed can be harvested every 24 hours from an Aquarium in your Player-owned house.
  • Seaweed can also be collected over time using a granite crab familiar.

Fishing[edit | edit source]

Catching[edit | edit source]

Seaweed.png: RS3 Inventory image of SeaweedSeaweed
Fishing level Fishing 16
Fishing spot Net/Harpoon
Tool Big fishing net.png: RS3 Inventory image of Big fishing netBig fishing net
Experience
Fishing XP Fishing 1 XP
Equipment XP Invention 0.118 XP

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Locations[edit | edit source]

Spot Location Amount Requirements
Net (big)/Harpoon Relleka 4 None
Net (big)/Harpoon East of Catherby 3 None
Net (big)/Harpoon West of Feldip Hills 2 None
Net (big)/Harpoon Dominion Games stadium - The Everlight 2 None
Net (big)/Harpoon Oikoi (households) - The Everlight 1 None
Net (big)/Harpoon Burgh de Rott 20 In Aid of the Myreque
Net (big)/Harpoon Fishing Guild 8
Net (big)/Harpoon Jatizo 5 The Fremennik Isles
Net (big)/Harpoon Ape Atoll 2 Monkey Madness
Net (big)/Harpoon Elf Camp 1 Regicide

Making Money Using Seaweed[edit | edit source]

Seaweed can be used to make money, although this is less common as of 2015 due to the fall in price over the last few years. Examples would include:

  • Buying 80 Seaweed a day at Catherby from Arhein for 2gp each and selling them in the G.E. for a total profit of 5,440. This will usually sell quickly on the Grand Exchange.
  • Buying Seaweed from the Grand Exchange, cooking it into soda ash and selling it yields a profit of -59 coins each.
  • Catching Seaweed using a Big fishing net in certain fishing spots around RuneScape that are close to a bank, such as Catherby.
  • After completing Deadliest Catch, Fisherman Jones will reward you with several deposit chests; one of which is located south of the Karamja lodestone. If walking isn't an issue this chest can be used to collect seaweed for an indefinite period of time.

Products[edit | edit source]

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Locations[edit | edit source]

Store locations[edit | edit source]

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Item spawns[edit | edit source]

Drop sources[edit | edit source]

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For an exhaustive list of all known sources for this item, see here (include RDT).

Disassembly[edit | edit source]

Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • patch 20 October 2009 (Update):
    • Arhein now sells his pineapples and seaweed in noted form.
  • patch 25 February 2009 (Update):
    • The reset time for collecting pineapples and seaweed from Arhein will no longer slowly creep forward.