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Polishing is an Invention perk that has a chance to transmute a gathered resource to a higher tier. It can be created in tool gizmos.

When the perk triggers, it prompts the message: Your polishing perk upgrades the gathered resource.

When Polishing activates while Fishing or Woodcutting, the experience gained in the gathering skill will be that of the original item, not the transmuted item. For example, if Polishing transmutes a regular log into an oak log, only 25 Woodcutting experience will be gained, instead of 37.5 experience.

When Polishing activates while Mining, all ores received in that swing will be transmuted.

Upgrade chance
Rank Chance (level 20)
1 3% (3.3%)
2 6% (6.6%)
3 9% (9.9%)

Fishing[edit | edit source]

Level Original item Transmuted item Profit/loss
1 Raw shrimps.png Raw shrimps Raw anchovies.png Raw anchovies -1
1 Raw crayfish.png Raw crayfish Raw herring.png Raw herring -339
5 Raw sardine.png Raw sardine Raw herring.png Raw herring -118
10 Raw herring.png Raw herring Raw cod.png Raw cod 299
16 Raw mackerel.png Raw mackerel Raw cod.png Raw cod 369
20 Raw trout.png Raw trout Raw salmon.png Raw salmon 46
23 Raw cod.png Raw cod Raw tuna.png Raw tuna -422
25 Raw pike.png Raw pike Raw salmon.png Raw salmon 55
30 Raw anchovies.png Raw anchovies Raw cod.png Raw cod 407
30 Raw salmon.png Raw salmon Raw tuna.png Raw tuna -179
35 Raw tuna.png Raw tuna Raw bass.png Raw bass 490
38 Raw rainbow fish.png Raw rainbow fish Raw bass.png Raw bass 215
40 Raw lobster.png Raw lobster Raw bass.png Raw bass 404
46 Raw bass.png Raw bass Raw swordfish.png Raw swordfish -325
48 Leaping trout.png Leaping trout Leaping salmon.png Leaping salmon 22
50 Raw swordfish.png Raw swordfish Raw monkfish.png Raw monkfish 303
52 Raw desert sole.png Raw desert sole Raw catfish.png Raw catfish 155
58 Leaping salmon.png Leaping salmon Leaping sturgeon.png Leaping sturgeon 179
60 Raw catfish.png Raw catfish Raw beltfish.png Raw beltfish 439
62 Raw monkfish.png Raw monkfish Raw shark.png Raw shark 416
68 Raw green blubber jellyfish.png Raw green blubber jellyfish Raw shark.png Raw shark 586
70 Leaping sturgeon.png Leaping sturgeon Raw shark.png Raw shark 726
76 Raw shark.png Raw shark Raw cavefish.png Raw cavefish 77
85 Raw cavefish.png Raw cavefish Raw rocktail.png Raw rocktail 691
90 Raw rocktail.png Raw rocktail Raw blue blubber jellyfish.png Raw blue blubber jellyfish 392
90 Raw tarpon.png Raw tarpon Raw seerfish.png Raw seerfish 0
91 Raw blue blubber jellyfish.png Raw blue blubber jellyfish Raw sailfish.png Raw sailfish 284
92 Raw seerfish.png Raw seerfish Raw sillago.png Raw sillago 1
93 Small crystal urchin.png Small crystal urchin Medium crystal urchin.png Medium crystal urchin 1 point
95 Medium crystal urchin.png Medium crystal urchin Large crystal urchin.png Large crystal urchin 1 point

Unaffected items[edit | edit source]

Mining[edit | edit source]

Level Original item Transmuted item Profit/loss
1 Copper ore.png Copper ore Iron ore.png Iron ore 130
1 Tin ore.png Tin ore Iron ore.png Iron ore 173
10 Iron ore.png Iron ore Coal.png Coal -134
20 Silver ore.png Silver ore Gold ore.png Gold ore 59
20 Coal.png Coal Mithril ore.png Mithril ore 80
30 Mithril ore.png Mithril ore Adamantite ore.png Adamantite ore 399
40 Adamantite ore.png Adamantite ore Runite ore.png Runite ore 5,225
40 Luminite.png Luminite Runite ore.png Runite ore 4,419
50 Runite ore.png Runite ore Orichalcite ore.png Orichalcite ore -2,315
50 Runite ore.png Runite ore Drakolith.png Drakolith -1,836
60 Drakolith.png Drakolith Necrite ore.png Necrite ore 1,718
60 Drakolith.png Drakolith Phasmatite.png Phasmatite 1,910
60 Orichalcite ore.png Orichalcite ore Necrite ore.png Necrite ore 2,197
60 Orichalcite ore.png Orichalcite ore Phasmatite.png Phasmatite 2,389
70 Necrite ore.png Necrite ore Banite ore.png Banite ore 1,800
70 Phasmatite.png Phasmatite Banite ore.png Banite ore 1,608
77 Coal.png Concentrated coal deposit Mithril ore.png Mithril ore 80
80 Banite ore.png Banite ore Light animica.png Light animica 4,704
80 Banite ore.png Banite ore Dark animica.png Dark animica 4,288
90 Sea salt.png Salty crabletine Alaea sea salt.png Alaea sea salt 1
90 Sea salt.png Salty crablet Alaea sea salt.png Alaea sea salt 1

Unaffected items[edit | edit source]

Woodcutting[edit | edit source]

Level Original item Transmuted item Profit/loss
1 Logs.png Logs Oak logs.png Oak logs -123
1 Achey tree logs.png Achey tree logs Oak logs.png Oak logs -335
15 Oak logs.png Oak logs Willow logs.png Willow logs -50
30 Willow logs.png Willow logs Maple logs.png Maple logs 6
35 Teak logs.png Teak logs Mahogany logs.png Mahogany logs 195
45 Maple logs.png Maple logs Eucalyptus logs.png Eucalyptus logs 547
47 Acadia logs.png Acadia logs[wc 1] Acadia logs.png Acadia logs 0
50 Mahogany logs.png Mahogany logs Yew logs.png Yew logs -151
54 Arctic pine logs.png Arctic pine logs Yew logs.png Yew logs -79
58 Eucalyptus logs.png Eucalyptus logs Yew logs.png Yew logs -463
60 Yew logs.png Yew logs Magic logs.png Magic logs 258
75 Magic logs.png Magic logs Elder logs.png Elder logs 5,122
90 Bamboo.png Bamboo Golden bamboo.png Golden bamboo 2
  1. ^ Effect triggers but does not change the log.

Unaffected items[edit | edit source]

Sources[edit | edit source]

MaterialRarityPerk ranks with X materials
Dextrous components.png
Dextrous componentsUncommon11–21–21–31–3
Oceanic components.png
Oceanic componentsRare11–21–22–32–3
Protective components.png
Protective componentsUncommon11–21–21–31–3
Padded parts.png
Padded partsCommon011–21–21–2
Fortunate components.png
Fortunate componentsRare11–21–21–31–3

Suggested gizmos[edit | edit source]

Gizmo layout Possible perks
Oceanic components.png
Oceanic components.pngOceanic components.pngOceanic components.png
Oceanic components.png

Trivia[edit | edit source]

  • Prior to a hotfix on 27 July 2016, if polishing triggered on a sillago, it would upgrade it to a wobbegong and cause the fishing spot to instantly deplete - it was treated as if you fished the last wobbegong from a wobbegong spot, not like you caught a sillago from a sillago spot [1]

References[edit | edit source]

  1. ^ Jagex. Mod Shauny's Twitter account. 16:56 27 July 2016. Mod Shauny: "#RSHotfix - Polishing will no longer upgrade fish to Wobbegong via fishing spots in the Arc. (This instantly depleted the spots before) ... Wobbegong fishing spots work differenly so when the perk upgraded it changed the spot hence why it instantly disappeared, there is no viable fix for this currently, but the Perk will work when catching a mid-tier > high-tier fish."