diff --git a/data/json/items/magazine/chemical_spray.json b/data/json/items/magazine/chemical_spray.json
index 91a017c071ea8..af80e97395ea2 100644
--- a/data/json/items/magazine/chemical_spray.json
+++ b/data/json/items/magazine/chemical_spray.json
@@ -1,6 +1,7 @@
 [
   {
     "id": "pressurized_tank_chem",
+    "looks_like": "pressurized_tank",
     "type": "MAGAZINE",
     "name": "pressurized chemical tank",
     "description": "A makeshift pressurized 2L canister designed to feed a makeshift chemical thrower.",
diff --git a/data/json/items/magazine/liquid.json b/data/json/items/magazine/liquid.json
index 639b2e7c00615..57dfbe68a2d45 100644
--- a/data/json/items/magazine/liquid.json
+++ b/data/json/items/magazine/liquid.json
@@ -1,6 +1,7 @@
 [
   {
     "id": "pressurized_tank",
+    "//": "Tileset whitelist for flame or chemical throwers."
     "type": "MAGAZINE",
     "name": "pressurized fuel tank",
     "description": "A pressurized 3L canister designed to feed a flamethrower.",
@@ -17,6 +18,7 @@
   },
   {
     "id": "aux_pressurized_tank",
+    "looks_like": "pressurized_tank",
     "type": "MAGAZINE",
     "name": "small pressurized fuel tank",
     "description": "A pressurized 0.5L canister built for use with a small auxiliary flamethrower.",
@@ -34,6 +36,7 @@
   },
   {
     "id": "rm4502",
+    "looks_like": "pressurized_tank",
     "type": "MAGAZINE",
     "name": "RM450-2 fuel canister",
     "description": "A 2L pressurized steel canister with a valve designed for the RM451's feed system.",
@@ -50,6 +53,7 @@
   },
   {
     "id": "rm4504",
+    "looks_like": "pressurized_tank",
     "type": "MAGAZINE",
     "name": "RM450-4 fuel canister",
     "description": "A 4L pressurized steel canister with a valve designed for the RM451's feed system.",
diff --git a/data/json/items/magazine/weldgas.json b/data/json/items/magazine/weldgas.json
index 8fd3d58b8b750..67729390e0f6b 100644
--- a/data/json/items/magazine/weldgas.json
+++ b/data/json/items/magazine/weldgas.json
@@ -1,6 +1,7 @@
 [
   {
     "id": "tinyweldtank",
+    "looks_like": "pressurized_tank",
     "type": "MAGAZINE",
     "name": "small welding tank",
     "description": "A compact steel cylinder designed for holding pressurized welding gases.  It is marked with several faded and now unreadable symbols.",
@@ -18,6 +19,7 @@
   },
   {
     "id": "weldtank",
+    "looks_like": "pressurized_tank",
     "type": "MAGAZINE",
     "name": "welding tank",
     "description": "A large steel cylinder designed for holding pressurized welding gases.  It is marked with several faded and now unreadable symbols.",