diff --git a/mods/gasdecay.js b/mods/gasdecay.js
index 11db2630..3295bc97 100644
--- a/mods/gasdecay.js
+++ b/mods/gasdecay.js
@@ -1,15 +1,31 @@
-let gasList = []
+let gasBlacklist = ["pointer", "tornado"]
+let gasDecaySpeed = 0.002
 runAfterLoad(function(){
-    for (let _element in elements){
-        if (elements[_element].state == "gas"){
-            gasList.push(_element)
-        }
-    }
     runPerPixel(function(pixel){
-        if (gasList.indexOf(pixel.element) >= 0){
-            if (Math.random() < 0.002){
+        if (elements[pixel.element].state === "gas" && gasBlacklist.indexOf(pixel.element) == -1){
+            if (Math.random() < gasDecaySpeed){
                 deletePixel(pixel.x, pixel.y)
             }
         }
     })
+})
+dependOn("betterSettings.js", function(){
+    let gasTab = new SettingsTab("Gas Decay")
+    let speedSetting = new Setting("Chance for gas pixels to decay per tick. Should be between 0 and 1", "decay_chance", settingType.NUMBER, false, 0.002,)
+    let ignoreSetting = new Setting("Comma seperated list of elements that should be ignored.", "decay_blacklist", settingType.TEXT, false, "pointer,tornado")
+    gasTab.registerSettings("Settings", speedSetting, ignoreSetting)
+    settingsManager.registerTab(gasTab)
+    gasDecaySpeed = speedSetting.value;
+    gasBlacklist = (ignoreSetting.value).split(",")
+    speedSetting.onUpdate(function(value){
+        gasDecaySpeed = value
+    })
+    ignoreSetting.onUpdate(function(value){
+        gasBlacklist = value.split(",")
+    })
+    runAfterLoad(function(){
+        document.getElementById("betterSettings/undefined/decay_chance").step = "0.001";
+        document.getElementById("betterSettings/undefined/decay_chance").max = 1;
+        document.getElementById("betterSettings/undefined/decay_chance").min = 0;
+    })
 })
\ No newline at end of file