diff --git a/assets/mods/basegame/items/itemid.csv b/assets/mods/basegame/items/itemid.csv
index d0a1170e0..509d72b7f 100644
--- a/assets/mods/basegame/items/itemid.csv
+++ b/assets/mods/basegame/items/itemid.csv
@@ -74,11 +74,26 @@ id;classname;tags
 
 320;net.torvald.terrarum.modulebasegame.gameitems.ItemWorldPortal;FIXTURE,STATION
 
-65536;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc01;MUSIC
-65537;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc02;MUSIC
-65538;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc03;MUSIC
-65539;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc04;MUSIC
-65540;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc05;MUSIC
-65541;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc06;MUSIC
+# data storage (discs; 256)
+# 32768 is a reserved number for a blank disc
+32769;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc01;MUSIC
+32770;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc02;MUSIC
+32771;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc03;MUSIC
+32772;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc04;MUSIC
+32773;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc05;MUSIC
+32774;net.torvald.terrarum.modulebasegame.gameitems.MusicDisc06;MUSIC
+
+# data storage (tapestries; 256)
+#33023;net.torvald.terrarum.modulebasegame.gameitems.ItemTapestry;FIXTURE
+
+# fluids on storage
+# preferably autogenerated
+# 10000h..100FFh : Fluid type 0 (water) x container type 0..255
+# 10100h..101FFh : Fluid type 1 (lava) x container type 0..255
+# 10200h..102FFh : Fluid type 2 (crude oil) x container type 0..255
+# 10300h..103FFh : Fluid type 3 (petroleum) x container type 0..255
+# 10400h..104FFh : Fluid type 4 (compressed air) x container type 0..255
+# 10500h..105FFh : Fluid type 5 (steam) x container type 0..255
+# ...
+# 1FF00h..1FFFFh : Fluid type 255 (???) x container type 0..255
 
-999999;net.torvald.terrarum.modulebasegame.gameitems.ItemTapestry;FIXTURE