diff --git a/mods/Science_mod.js b/mods/Science_mod.js
index b10815a5..af1a3e73 100644
--- a/mods/Science_mod.js
+++ b/mods/Science_mod.js
@@ -1,9 +1,8 @@
 // Science mod for Sandboxels
 // (Inspired by survival.js)
-// Build 29 (version alpha 0.0.29)
-console.log("version alpha 0.0.29")
-console.log("build 29")
-// I have granted access to this file on my school account (I think)
+// Build 30 (version alpha 0.0.30)
+console.log("version alpha 0.0.30")
+console.log("build 30")
 // This used to be a full time thing, but now it's basically just half-time now. 
 // If there is anything you want to suggest or there's a bug then just dm me on discord (@a_british_proto)
 // I've decided to start doing this project on my schools computer's (because they don't crash all the time) so there will be long delays in updates, sorry!
@@ -1564,3 +1563,10 @@ substance.Lithium_Tetrachloroaluminate = {
     state: "solid",
     hidden:true
 }
+
+// Nvm, back to null
+substance.Sodium_Tetrachloroaluminate = {
+    behavior: behaviors.NULL,
+    color: "000000",
+    // finish it later 
+}