diff --git a/mods/jaydstuff.js b/mods/jaydstuff.js
index 75c752bb..b077c121 100644
--- a/mods/jaydstuff.js
+++ b/mods/jaydstuff.js
@@ -50,9 +50,9 @@ elements.liquid_deuterium = {
 elements.tritium = {
     color: "#558bcf",
         behavior: [
-                "M2|M1 AND CR:radiation%1|M2",
+                "M2|M1 AND CR:radiation%0.125|M2",
                 "M1|XX|M1",
-                "M2|M1 AND CR:radiation%0.5|M2",
+                "M2|M1 AND CR:radiation%0.05125|M2",
             ],
           reactions: {
         "oxygen": { elem1:null, elem2:"tritiated_steam", tempMin:500 },
@@ -73,7 +73,7 @@ elements.tritium = {
 elements.liquid_tritium = {
     color: "#97afcf",
     behavior: [
-        "XX|CR:radiation%1|XX",
+        "XX|CR:radiation%0.125|XX",
         "M2|XX|M2",
         "M1|M1|M1",
     ],
@@ -157,7 +157,7 @@ elements.heavy_ice = {
 elements.tritiated_water = {
     color: "#2167ff",
     behavior: [
-        "XX|CR:radiation%1|XX",
+        "XX|CR:radiation%0.125|XX",
         "M2|XX|M2",
         "M1|M1|M1",
     ],
@@ -189,9 +189,9 @@ elements.tritiated_water = {
 elements.tritiated_steam = {
     color: "#abd6ff",
     behavior: [
-            "M2|M1 AND CR:radiation%1|M2",
+            "M2|M1 AND CR:radiation%0.125|M2",
             "M1|XX|M1",
-            "M2|M1 AND CR:radiation%0.5|M2",
+            "M2|M1 AND CR:radiation%0.05125|M2",
         ],
     reactions: {
         "copper": { elem1:"oxygen", elem2:"oxidized_copper", chance:0.01 },
@@ -216,9 +216,9 @@ elements.tritiated_steam = {
 elements.tritiated_ice = {
     color: "#b2daeb",
     behavior: [
-        "XX|CR:radiation%0.25|XX",
-        "CR:radiation%0.25|XX|CR:radiation%0.25",
-        "XX|CR:radiation%0.25|XX",
+        "XX|CR:radiation%0.125|XX",
+        "CR:radiation%0.125|XX|CR:radiation%0.125",
+        "XX|CR:radiation%0.125|XX",
     ],
     temp: -5,
     tempHigh: 5,
@@ -262,9 +262,9 @@ elements.fluoroantimonic_acid = {
 elements.tritium_ice = {
     color: "#b5d2ff",
     behavior: [
-        "XX|CR:radiation%0.25|XX",
-        "CR:radiation%0.25|XX|CR:radiation%0.25",
-        "XX|CR:radiation%0.25|XX",
+        "XX|CR:radiation%0.125|XX",
+        "CR:radiation%0.125|XX|CR:radiation%0.125",
+        "XX|CR:radiation%0.125|XX",
     ],
     temp: -259,
     tempHigh: -256,
@@ -283,4 +283,36 @@ elements.unstain = {
             y: pixel.y
         })
     }
+},
+elements.legacy_hydrogen = {
+    color: "#558bcf",
+    behavior: behaviors.GAS,
+    reactions: {
+        "oxygen": { elem1:null, elem2:"steam", tempMin:500 },
+        "hydrogen": { elem1:"neutron", elem2:"helium", tempMin:10000, temp1:10000, temp2:10000 },
+        "nitrogen": { elem1:null, elem2:"oxygen", tempMin:10000 },
+        "sulphur": { elem1:null, elem2:"chlorine", tempMin:10000 },
+        "neon": { elem1:null, elem2:"sodium", tempMin:10000 }
+    },
+    category: "gases",
+    burn: 100,
+    burnTime: 2,
+    tempLow: -253,
+    stateLow: "liquid_hydrogen",
+    state: "gas",
+    density: 0.08375,
+    conduct: 0.02,
+    colorOn: "#d6462d"
+},
+elements.ultimate_reset = {
+    color: "#ff0000",
+    behavior: [
+        "XX|XX|XX",
+        "XX|EX:10000>flash AND CR:ultimate_reset%0.01|XX",
+        "XX|XX|XX",
+    ],
+    category: "tools",
+    state: "solid",
+    excludeRandom: true,
+    cooldown: defaultCooldown
 };
\ No newline at end of file