diff --git a/mod-list.html b/mod-list.html
index be779ef8..0f423bc7 100644
--- a/mod-list.html
+++ b/mod-list.html
@@ -175,6 +175,7 @@
 <tr><td>extrasaveslots.js</td><td>Extra saves slots [KEEP IMPORTANT SAVES AS FILES!!]</td><td>Jayd</td></tr>
 <tr><td>find.js</td><td>Find mode that highlights a chosen element as pulsating red and yellow <a href="https://github.com/R74nCom/sandboxels/commit/de0dc088ab4d928c77587b9d0e3a7d7663e3f94a">[More Info]</a></td><td>Alice</td></tr>
 <tr><td>hideandshowtools.js</td><td>Tools to hide elements and show hidden elements</td><td>MicaelNotUsed</td><tr>
+<tr><td>gasdecay.js</td><td>Gases will slowly decay over time</td><td>nousernamefound</td></tr>
 <tr><td>human_friendly_design.js</td><td>Drag and Mix tools don't kill humans</td><td>Nekonico</td></tr>
 <tr><td>insane_random_events.js</td><td>Massively buffs random events</td><td>Alice</td></tr>
 <tr><td>jaydsfunctions.js</td><td>Extra tools</td><td>Jayd</td></tr>
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;
+    })
 })
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