Chum spreader

Chum spreader
Icon
Released							19 November 2025 (Update)
Hotspot							Facility
Options							Operate
Examine							Used to spread all types of fish offcuts into the sea.
Advanced data
Object ID							59751,59752,59753,59754
Icon Item ID							32227

Chum spreaders are a boat facility used to bait shoals whilst deep sea trawling. It can be built at specific facility hotspots on the boat, requiring level 82 Sailing and 74 Construction, granting 2,028 Construction experience. Only one may be built at a time.

Operating a chum spreader will spread regular or fine fish offcuts that are stored in a cargo hold into the sea, which acts as optional bait for shoals; doing so gives a 20% chance to catch an extra fish per successful catch, on top of the catch bonus provided by trawling nets. Additionally, using raw fish (except leaping fish) on the station will cut them into regular fish offcuts or fine fish offcuts at a rate of four fish per tick; this is the only advantage over the advanced chum station, while costing an additional investment of 37,734 for a narwhal horn knife to build it.

When cutting raw fish with secondary drops at a chum station (such as haddock eyes and squid beaks), it will roll the chance of obtaining them per action rather than per fish but give quadruple the yield if successful. For example, cutting one raw jumbo squid with a knife gives a 1/512 chance of yielding a squid beak, but cutting four at once with a chum spreader would give a 1/512 chance of yielding four squid beaks rather than rolling the chance for each squid.

Crewmates with at least level 2 Deckhandiness can be assigned to operate the chum spreader, provided that fish offcuts are stored in the cargo hold and the player has the required Sailing level. As such, players who used temporary boosts to build it must maintain the Sailing boost when a crewmate or themselves are using it.

v t e Deep sea trawling
Facilities	Trawling nets Rope trawling net Linen trawling net Hemp trawling net Cotton trawling net Other Chum station Advanced chum station Chum spreader Fathom stone Fathom pearl
Shoals	Giant krill shoal Haddock shoal Yellowfin shoal Halibut shoal Bluefin shoal Marlin shoal Shimmering shoal Glistening shoal Vibrant shoal
Fish	Raw Giant krill Haddock Yellowfin Halibut Bluefin Marlin Cooked Giant krill Haddock Yellowfin Halibut Bluefin Marlin Burnt Giant krill Haddock Yellowfin Halibut Bluefin Marlin Trophy Giant blue krill (stuffed • mounted) Golden haddock (stuffed • mounted) Orangefin (stuffed • mounted) Huge halibut (stuffed • mounted) Purplefin (stuffed • mounted) Swift marlin (stuffed • mounted) Other Fish offcuts Fine fish offcuts Haddock eye Yellow fin Marlin scales
Crates	Camphor Empty Giant krill Haddock Yellowfin Halibut Bluefin Marlin

v t e Shipbuilding
Boats	Raft Skiff Sloop
Core boat parts	Hulls Wooden Oak Teak Mahogany Camphor Ironwood Rosewood Helms Bronze Iron Steel Mithril Adamant Rune Dragon Mast and sails Wooden Oak Teak Mahogany Camphor Ironwood Rosewood Keels Bronze Iron Steel Mithril Adamant Rune Dragon Other Flags Storm chaser Swamp cruiser Crystal glider Trims No trim Shark Inky Barracuda Salvor Guthix Saradomin Zamorak Armadyl Merchant Angler Sandy Eternal brazier Sail patterns Plain Black Blue Green Pink Purple Red Yellow
Facilities	Cargo holds Basic Oak Teak Mahogany Camphor Ironwood Rosewood Cannons Bronze Iron Steel Mithril Adamant Rune Dragon Salvaging hooks Bronze Iron Steel Mithril Adamant Rune Dragon Trawling net Rope trawling net Linen trawling net Hemp trawling net Cotton trawling net Other Range Keg Anchor Innoculation Station Salvaging Station Wind catcher Teleport focus Chum station Advanced chum station Fathom stone Crystal extractor Greater teleport focus Gale catcher Chum spreader Fathom pearl Ballistic attractor Bosun's workbench
Shipwrights	Junior Jim Sam Sally Sophie Steve Sarah Sennia Silas Seth Spencer Sigrun Soraya Scott Sylvia Sornik Silrien
Port wizards	Perrie Peter Petra
Items	Boat bottle Facility bottle Keel parts Bronze Iron Steel Mithril Adamant Rune Dragon Large keel parts Bronze Iron Steel Mithril Adamant Rune Dragon Hull parts Wooden Oak Teak Mahogany Camphor Ironwood Rosewood Large hull parts Wooden Oak Teak Mahogany Camphor Ironwood Rosewood Paint Angler's Armadylean Barracuda Guthixian Inky Merchant's Salvor's Sandy Saradominist Shark Zamorakian