diff --git a/mods/jaydstuff.js b/mods/jaydstuff.js
new file mode 100644
index 00000000..75c752bb
--- /dev/null
+++ b/mods/jaydstuff.js
@@ -0,0 +1,286 @@
+//jaydstuff
+elements.super_raincloud = {
+    color: "#0000ff",
+    behavior: [
+        "XX|M1%10|XX",
+        "M1%5|XX|M1%5",
+        "CR:water%40|CR:water%40|CR:water%40",
+    ],
+    category: "gases",
+    state: "gas",
+    density: 50,
+},
+elements.deuterium = {
+    color: "#558bcf",
+        behavior: behaviors.GAS,
+          reactions: {
+        "oxygen": { elem1:null, elem2:"heavy_steam", tempMin:500 },
+        "tritium": { elem1:"neutron", elem2:"helium", tempMin:100000000, temp1:150000000, temp2:150000000 },
+        "fire": { elem1:"explosion", chance:0.005 },
+    },
+    category: "gases",
+    burn: 100,
+    burnTime: 2,
+    burnInto: ["fire","fire","fire","fire","fire","fire","fire","fire","fire","fire","fire","fire","heavy_steam"],
+    tempLow: -253,
+    stateLow: "liquid_deuterium",
+    state: "gas",
+    density: 0.180,
+    conduct: 0.02,
+    colorOn: "#d6462d"
+},
+elements.liquid_deuterium = {
+    color: "#97afcf",
+    behavior: behaviors.LIQUID,
+    reactions: {
+        "liquid_oxygen": { elem1:"heavy_ice", elem2:null },
+        "oxygen": { elem1:"ice", elem2:null }
+    },
+    category: "states",
+    burn: 100,
+    burnTime: 2,
+    temp: -255.879,
+    tempHigh: -252.879,
+    stateHigh: "hydrogen",
+    tempLow: -259.2,
+    state: "liquid",
+    density: 163.83,
+    hidden: true
+},
+elements.tritium = {
+    color: "#558bcf",
+        behavior: [
+                "M2|M1 AND CR:radiation%1|M2",
+                "M1|XX|M1",
+                "M2|M1 AND CR:radiation%0.5|M2",
+            ],
+          reactions: {
+        "oxygen": { elem1:null, elem2:"tritiated_steam", tempMin:500 },
+        "deuterium": { elem1:"neutron", elem2:"helium", tempMin:100000000, temp1:150000000, temp2:150000000 },
+        "fire": { elem1:"explosion", chance:0.005 },
+    },
+    category: "gases",
+    burn: 100,
+    burnTime: 2,
+    burnInto: ["fire","fire","fire","fire","fire","fire","fire","fire","fire","fire","fire","fire","steam"],
+    tempLow: -253,
+    stateLow: "liquid_tritium",
+    state: "gas",
+    density: 0.269,
+    conduct: 0.02,
+    colorOn: "#d6462d"
+},
+elements.liquid_tritium = {
+    color: "#97afcf",
+    behavior: [
+        "XX|CR:radiation%1|XX",
+        "M2|XX|M2",
+        "M1|M1|M1",
+    ],
+    reactions: {
+        "liquid_oxygen": { elem1:"tritiated_ice", elem2:null },
+        "oxygen": { elem1:"ice", elem2:null }
+    },
+    category: "states",
+    burn: 100,
+    burnTime: 2,
+    temp: -255.879,
+    tempHigh: -252.879,
+    stateHigh: "tritium",
+    tempLow: -259.2,
+    state: "liquid",
+    density: 213,
+    hidden: true
+},
+elements.heavy_water = {
+    color: "#2167ff",
+    behavior: behaviors.LIQUID,
+    tempHigh: 101.4,
+    stateHigh: "heavy_steam",
+    tempLow: 0,
+    stateLow: "heavy_ice",
+    category: "liquids",
+    heatCapacity: 4.184,
+    reactions: {
+        // electrolysis:
+        "aluminum": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0025 },
+        "zinc": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.015 },
+        "steel": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0125 },
+        "iron": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0125 },
+        "tin": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.01 },
+        "brass": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.001 },
+        "bronze": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.001 },
+        "copper": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0075 },
+        "silver": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0075 },
+        "gold": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0075 },
+    },
+    state: "liquid",
+    density: 1107,
+    conduct: 0.02,
+    stain: -0.5,
+    extinguish: true
+},
+elements.heavy_steam = {
+    color: "#abd6ff",
+    behavior: behaviors.GAS,
+    reactions: {
+        "copper": { elem1:"oxygen", elem2:"oxidized_copper", chance:0.01 },
+        "bronze": { elem1:"oxygen", elem2:"oxidized_copper", chance:0.005 },
+        "iron": { elem1:"oxygen", elem2:"rust", chance:0.005 },
+        "steel": { elem1:"oxygen", elem2:"rust", chance:0.004 },
+    },
+    temp: 150,
+    tempLow: 95,
+    extraTempLow: {
+        0: "heavy_rime"
+    },
+    stateLow: "heavy_water",
+    category: "gases",
+    state: "gas",
+    density: 1,
+    conduct: 0.002,
+    stain: -0.05,
+    alias: "heavy water vapor",
+    extinguish: true
+},
+elements.heavy_ice = {
+    color: "#b2daeb",
+    behavior: behaviors.WALL,
+    temp: -5,
+    tempHigh: 5,
+    stateHigh: "heavy_water",
+    category: "solids",
+    state: "solid",
+    density: 1014.202,
+    breakInto: "heavy_snow"
+},
+elements.tritiated_water = {
+    color: "#2167ff",
+    behavior: [
+        "XX|CR:radiation%1|XX",
+        "M2|XX|M2",
+        "M1|M1|M1",
+    ],
+    tempHigh: 101.4,
+    stateHigh: "tritiated_steam",
+    tempLow: 0,
+    stateLow: "tritiated_ice",
+    category: "liquids",
+    heatCapacity: 4.184,
+    reactions: {
+        // electrolysis:
+        "aluminum": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0025 },
+        "zinc": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.015 },
+        "steel": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0125 },
+        "iron": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0125 },
+        "tin": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.01 },
+        "brass": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.001 },
+        "bronze": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.001 },
+        "copper": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0075 },
+        "silver": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0075 },
+        "gold": { elem1:["deuterium","deuterium","oxygen"], charged:true, chance:0.0075 },
+    },
+    state: "liquid",
+    density: 1107,
+    conduct: 0.02,
+    stain: -0.5,
+    extinguish: true
+},
+elements.tritiated_steam = {
+    color: "#abd6ff",
+    behavior: [
+            "M2|M1 AND CR:radiation%1|M2",
+            "M1|XX|M1",
+            "M2|M1 AND CR:radiation%0.5|M2",
+        ],
+    reactions: {
+        "copper": { elem1:"oxygen", elem2:"oxidized_copper", chance:0.01 },
+        "bronze": { elem1:"oxygen", elem2:"oxidized_copper", chance:0.005 },
+        "iron": { elem1:"oxygen", elem2:"rust", chance:0.005 },
+        "steel": { elem1:"oxygen", elem2:"rust", chance:0.004 },
+    },
+    temp: 150,
+    tempLow: 95,
+    extraTempLow: {
+        0: "heavy_rime"
+    },
+    stateLow: "tritiated_water",
+    category: "gases",
+    state: "gas",
+    density: 0.6,
+    conduct: 0.002,
+    stain: -0.05,
+    alias: "tritiated water vapor",
+    extinguish: true
+},
+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",
+    ],
+    temp: -5,
+    tempHigh: 5,
+    stateHigh: "tritiated_water",
+    category: "solids",
+    state: "solid",
+    density: 1014.202,
+    breakInto: "tritiated_snow"
+},
+elements.fusion = {
+    color: "#ffffff",
+    tool: function(pixel) {
+        pixel.temp = 100000000;
+		pixelTempCheck(pixel)
+    },
+    category: "tools",
+},
+elements.meese = {
+    color: "#996515",
+    behavior: [
+        "XX|XX|XX",
+        "XX|FX%0.25|M2%0.5 AND BO",
+        "XX|M1|XX",
+    ],
+     category: "life"
+},
+elements.fluoroantimonic_acid = {
+        color: ["#b5cf91","#a1ff5e","#288f2a"],
+    behavior: [
+        "XX|DB%5|XX",
+        "DB%5 AND M2|XX|DB%5 AND M2",
+        "DB%5 AND M2|DB%10 AND M1|DB%5 AND M2",
+    ],
+    ignore: ["glass","rad_glass","glass_shard","rad_shard","stained_glass","baked_clay","acid_gas","neutral_acid","copper","gold","porcelain"],
+    category: "liquids",
+    state: "liquid",
+    density: 2885,
+    hidden: true,
+    stain: -0.1,
+},
+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",
+    ],
+    temp: -259,
+    tempHigh: -256,
+    stateHigh: "liquid_tritium",
+    category: "states",
+    state: "solid",
+    density: 258,
+},
+elements.unstain = {
+    category: "tools",
+    stain: -1,
+    tool: (pixel) => {
+        doStaining({
+            element: "unstain",
+            x: pixel.x,
+            y: pixel.y
+        })
+    }
+};
\ No newline at end of file