A grimy guam is a herb that has not yet been cleaned to make a clean guam. Grimy guams may be grown from a guam seed with a Farming level of 9. Cleaning a grimy guam requires an Herblore level of 1 and gives 2.5 Herblore experience.
Clean guams are used to make Attack potions at level 1, Ranging potion at level 3 and Super fishing explosives at level 31. They are also a secondary ingredient for a Macaw, at level 41 Summoning. Grimy guams may also be obtained from the Sorceress's Garden minigame.
Cleaning grimy guam yields a profit/loss of 29 coins per herb.
Drop sources
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- For an exhaustive list of all known sources for this item, see here.
Store locations
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| Seller | Location | Cost | Currency | Base stock | Members? |
|---|
Disassembly
| Disassembly XP | 0.1 |
|---|---|
| Item quantity required | 1 |
| Material count | 1 |
| Base junk chance | 98.9% |
| Possible materials | |
| Often | |
 Organic parts | 89% |
| Sometimes | |
 Crafted parts | 8% |
| Rarely | |
 Living components | 1% |
 Healthy components | 1% |
 Enhancing components | 1% |
Trivia
- On 2 March 2013, Grimy guams were made available to free players with the release of Burthorpe and Taverley becoming free to play areas.
| Normal |
|
| Special |
 Snake weed (Grimy) Ardrigal (Grimy) Sito foil (Grimy) Volencia moss (Grimy) Rogue's purse (Grimy) Goutweed Enriched snapdragon Shadow-infused herb Grimy herb Mysterious herb |
| Dungeoneering |
 Sagewort (Grimy) Valerian (Grimy) Aloe (Grimy) Wormwood leaf (Grimy) Magebane (Grimy) Featherfoil (Grimy) Winter's grip (Grimy) Lycopus (Grimy) Buckthorn (Grimy) Consecrated herb |
| Herblore Habitat |
 Erzille (Grimy) Argway (Grimy) Ugune (Grimy) Shengo (Grimy) Samaden (Grimy) |
| Gielinor Games (discontinued) |
 Blue Gold Black Green Red |
| Alison Elmshaper's Flying Arrow Fletching Shop | |
| Aubury's Rune Shop |
 Air rune Mind rune |
| Ayleth Beaststalker's Hunting Supplies Shop |
 Bird snare |
| Bob's Brilliant Axes |
 Bronze pickaxe Bronze hatchet Bronze battleaxe (Off-hand) Bronze throwing axe (Off-hand) |
| Burthorpe Guard Quartermaster |
 Bronze sword Chargebow |
| Carwen Essencebinder Magical Runes Shop |
 Air talisman Mind talisman Air rune Mind rune |
| Gnome Shopkeeper's Armoury |
Bronze sword (Off-hand) Chargebow Staff |
| Head Farmer Jones's Farming Shop |
 Raw potato Potato seed |
| Jack Oval's crafting Shop |
 Thread Bucket Empty pot |
| Lowe's Archery Emporium |
 Bronze arrow Shortbow Shieldbow Bronze javelin Bronze bolts |
| Lumbridge Fishing Supplies |
 Small fishing net Crayfish cage |
| Lumbridge General Store |
 Tinderbox Hammer Bronze dagger (Off-hand) |
| Mess Sergeant Ramsey's Cooking Supplies Shop |
 Pie dish Empty pot |
| Nicholas Angle's Fishing Shop |
 Fishing bait |
| Pikkupstix's Summoning Shop |
 Pouch Gold charm Wolf bones Spirit shards |
| Poletax's Herblore Shop |
 Vial of water Grimy guam Eye of newt |
| Slayer Masters |
 Spiked gauntlets |
| Varrock Sword Shop |
Bronze dagger (Off-hand) Bronze sword (Off-hand) Bronze longsword (Off-hand) |
