Seaweed spore

"Spores" redirects here. For the spores used to grow mushrooms, see mushroom spore.

Seaweed spore
Released							7 September 2017 (Update)
Members							Yes
Quest item							No
Properties
Tradeable							Yes
Equipable							No
Stackable							Yes
Destroy							Drop
Examine							A seaweed spore - plant in a seaweed patch.
Values
Value							20 coins
High alch							12 coins
Low alch							8 coins
Weight							0 kg
Grand Exchange
Exchange							367 coins (info)
Buy limit							600
Daily volume							34,477
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Advanced data
Item ID							21490

Seaweed spore? (edit)? (edit) File:Seaweed spore 1.png&&SPLITPOINT&&File:Seaweed spore 2.png&&SPLITPOINT&&File:Seaweed spore 3.png&&SPLITPOINT&&File:Seaweed spore 4.png&&SPLITPOINT&&File:Seaweed spore 5.png? (edit)7 September 2017 (Update)? (edit)YesA seaweed spore - plant in a seaweed patch.NoYesNoYesYesYesNoNoDrop2020 coinstrueSeaweed spore367367 coins (info)

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60034,477infobox-cell-showntrue0.612 coins8 coins120 kg02149021490? (edit)? (edit)? (edit)? (edit)

Image: Image: Image: Image: Image: Weight: 0Value: 20High Alchemy value: 12Is members only: trueItem ID: 21490

Seaweed spores are used in the Farming skill and require level 23 in the skill to grow them. They are planted at the seaweed patch in the underwater area of Fossil Island. Players can pay Mernia to protect this patch by giving her 200 numulites.

Once fully grown, which takes approximately 40 minutes, players will be able to harvest giant seaweed. A minimum of three can be collected per patch, with the average being around 15–30 (if super or ultracompost is used; 8-16 if compost is not used), depending on one's Farming level. Specifically, the patch has three "lives" by default, and each tier of compost adds one extra. The chance to not consume a life upon harvest is 64.1% at level 23 and 82% at level 99, using linear interpolation for other levels. Magic secateurs and the farming cape do not have an effect.

Sources

Seaweed spores can be obtained via the following methods:

• They may randomly appear when diving in shallow water within the underwater area beneath Fossil Island. 1-3 seaweed spores can spawn, and they will despawn in 30 seconds. Like marks of grace, they appear individually for each player. However, unlike marks of grace, if you log out, they will disappear instantly and they will not be there when you log back in.
• They can be obtained from ammonite crabs, lobstrosities and Fossil Island Wyverns.
• They can be purchased from Mairin's Market in exchange for 20 mermaid's tears per spore.

Farming info

Seaweed spore
Farming level			23
Patch			Seaweed
Seeds per			1 seed
Payment			200 Numulites
Time			40 min (4x10 min)
Crop			Giant seaweed
			579
Experience
Planting			19
Harvesting			21

Drop sources

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

Source	Level	Quantity	Rarity
Ammonite Crab	25	2	1/128
Ancient Wyvern	210	3–24	Uncommon
Lobstrosity	68	5	1/16
Long-tailed Wyvern	152	12	2/123
Spitting Wyvern	139	12	2/123
Taloned Wyvern	147	12	2/123

Growth stages

Stage	Image	Diseased	Dead
1		N/A	N/A
2
3
4
5		N/A	N/A

Store locations

This list was created dynamically. For help, see the FAQ.

To force an update of this list, click here.

Seller	Location	Number in stock	Price sold at	Price bought at	Members?
Mairin's Market	Underwater	1,000	20	N/A

Average yield per level

Level	Base	Compost	Super	Ultra
23	8.26	11.01	13.76	16.52
30	8.63	11.51	14.38	17.26
40	9.25	12.34	15.42	18.51
50	10.11	13.47	16.84	20.21
60	10.97	14.63	18.29	21.94
70	12.00	16.00	20.00	24.00
80	13.24	17.66	22.07	26.48
90	14.77	19.69	24.62	29.54
99	16.70	22.26	27.83	33.39

Trivia

• Upon release, seaweed spores cost 50 mermaid's tears in Mairin's Market. This was reduced to 20 in an update on 31 May 2018.

References

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