diff --git a/kubejs/startup_scripts/gtceu/materials.js b/kubejs/startup_scripts/gtceu/materials.js
index 88d36f57e..d964a373b 100644
--- a/kubejs/startup_scripts/gtceu/materials.js
+++ b/kubejs/startup_scripts/gtceu/materials.js
@@ -408,4 +408,10 @@ const registerGTCEuMaterialModification = (event) => {
 	GTMaterials.get('tfg:tmos').setFormula("Si(OCH3)4", true)
 	GTMaterials.get('tfg:fluix').setFormula("?(?SiO2)(SiO2)", true)
 	GTMaterials.CertusQuartz.setFormula("?SiO2", true)
+
+	GTMaterials.Deuterium.setFormula("H²", true)
+	GTMaterials.Tritium.setFormula("H³", true)
+	GTMaterials.get('tfg:semiheavy_water').setFormula("H²HO", true)
+	GTMaterials.get('tfg:heavy_water').setFormula("H²2O", true)
+	GTMaterials.get('tritiated_water').setFormula("H³2O", true)
 }
diff --git a/kubejs/startup_scripts/tfg/materials.nuclear.js b/kubejs/startup_scripts/tfg/materials.nuclear.js
index ae2d6be0e..09824ae72 100644
--- a/kubejs/startup_scripts/tfg/materials.nuclear.js
+++ b/kubejs/startup_scripts/tfg/materials.nuclear.js
@@ -32,21 +32,18 @@ const registerTFGNuclearMaterials = (event) => {
     event.create('radioactive_steam')
         .gas(new GTFluidBuilder().state(GTFluidState.GAS).customStill().temperature(3730))
         .components('2x hydrogen', '1x oxygen')
-        .formula("H20(?)")
-        .flags(
-            GTMaterialFlags.DISABLE_DECOMPOSITION)
+        .formula('H2O(?)')
+        .flags(GTMaterialFlags.DISABLE_DECOMPOSITION)
 
     event.create('radioactive_waste')
         .gas(new GTFluidBuilder().state(GTFluidState.GAS).customStill().temperature(3730))
         .formula("(?)")
-        .flags(
-            GTMaterialFlags.DISABLE_DECOMPOSITION)
+        .flags(GTMaterialFlags.DISABLE_DECOMPOSITION)
 
     event.create('irradiated_steam')
         .gas(new GTFluidBuilder().state(GTFluidState.GAS).customStill().temperature(4250))
         .formula("(?)")
-        .flags(
-            GTMaterialFlags.DISABLE_DECOMPOSITION)
+        .flags(GTMaterialFlags.DISABLE_DECOMPOSITION)
 
     event.create('tfg:heavy_water')
         .liquid(new GTFluidBuilder().temperature(236))
@@ -72,7 +69,7 @@ const registerTFGNuclearMaterials = (event) => {
     event.create('nuclear_waste')
         .liquid(new GTFluidBuilder().customStill().temperature(3850))
         .flags(GTMaterialFlags.DISABLE_DECOMPOSITION)
-        .formula('(ThU(?)')
+        .formula('ThU(?)')
 
     event.create('dirty_hexafluorosilicic_acid')
         .liquid(new GTFluidBuilder().attribute(GTFluidAttributes.ACID))