diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/androids/ProgrammableAndroid.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/androids/ProgrammableAndroid.java
index 890113721..8e90f0a3b 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/androids/ProgrammableAndroid.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/androids/ProgrammableAndroid.java
@@ -381,7 +381,7 @@ public class ProgrammableAndroid extends SlimefunItem implements InventoryBlock,
         int pages = (scripts.size() / 45) + 1;
 
         for (int i = 45; i < 54; i++) {
-            menu.addItem(i, new CustomItem(new ItemStack(Material.GRAY_STAINED_GLASS_PANE), " "));
+            menu.addItem(i, ChestMenuUtils.getBackground());
             menu.addMenuClickHandler(i, (pl, slot, item, action) -> false);
         }
 
diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/machines/ElectricSmeltery.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/machines/ElectricSmeltery.java
index 32a883726..2ca0f0b1d 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/machines/ElectricSmeltery.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/machines/ElectricSmeltery.java
@@ -111,15 +111,15 @@ public class ElectricSmeltery extends AContainer implements NotHopperable {
     @Override
     protected void constructMenu(BlockMenuPreset preset) {
         for (int i : border) {
-            preset.addItem(i, new CustomItem(Material.GRAY_STAINED_GLASS_PANE, " "), ChestMenuUtils.getEmptyClickHandler());
+            preset.addItem(i, ChestMenuUtils.getBackground(), ChestMenuUtils.getEmptyClickHandler());
         }
 
         for (int i : inputBorder) {
-            preset.addItem(i, new CustomItem(Material.CYAN_STAINED_GLASS_PANE, " "), ChestMenuUtils.getEmptyClickHandler());
+            preset.addItem(i, ChestMenuUtils.getInputSlotTexture(), ChestMenuUtils.getEmptyClickHandler());
         }
 
         for (int i : outputBorder) {
-            preset.addItem(i, new CustomItem(Material.ORANGE_STAINED_GLASS_PANE, " "), ChestMenuUtils.getEmptyClickHandler());
+            preset.addItem(i, ChestMenuUtils.getOutputSlotTexture(), ChestMenuUtils.getEmptyClickHandler());
         }
 
         preset.addItem(22, new CustomItem(Material.BLACK_STAINED_GLASS_PANE, " "), ChestMenuUtils.getEmptyClickHandler());
diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/reactors/Reactor.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/reactors/Reactor.java
index 21e8d58ab..9c00ee63b 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/reactors/Reactor.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/electric/reactors/Reactor.java
@@ -185,7 +185,7 @@ public abstract class Reactor extends AbstractEnergyProvider implements Hologram
 
     private void constructMenu(@Nonnull BlockMenuPreset preset) {
         for (int i : border) {
-            preset.addItem(i, new CustomItem(Material.GRAY_STAINED_GLASS_PANE, " "), ChestMenuUtils.getEmptyClickHandler());
+            preset.addItem(i, ChestMenuUtils.getBackground(), ChestMenuUtils.getEmptyClickHandler());
         }
 
         for (int i : border_1) {
@@ -407,8 +407,8 @@ public abstract class Reactor extends AbstractEnergyProvider implements Hologram
      *            The {@link Inventory} of this {@link Reactor}
      * @param accessPort
      *            The {@link ReactorAccessPort}, if available
-     * @param timeleft
-     *            The time left
+     * @param operation
+     *            The {@link FuelOperation} of this {@link Reactor}
      * 
      * @return Whether the {@link Reactor} was successfully cooled, if not it should explode
      */
diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/geo/GEOMiner.java b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/geo/GEOMiner.java
index ea1be2d9e..992a3c367 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/geo/GEOMiner.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/implementation/items/geo/GEOMiner.java
@@ -31,6 +31,7 @@ import io.github.thebusybiscuit.slimefun4.core.networks.energy.EnergyNetComponen
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunPlugin;
 import io.github.thebusybiscuit.slimefun4.implementation.handlers.SimpleBlockBreakHandler;
 import io.github.thebusybiscuit.slimefun4.implementation.operations.MiningOperation;
+import io.github.thebusybiscuit.slimefun4.utils.ChestMenuUtils;
 import me.mrCookieSlime.CSCoreLibPlugin.Configuration.Config;
 import me.mrCookieSlime.CSCoreLibPlugin.general.Inventory.ChestMenu.AdvancedMenuClickHandler;
 import me.mrCookieSlime.CSCoreLibPlugin.general.Inventory.ClickAction;
@@ -253,14 +254,14 @@ public class GEOMiner extends SlimefunItem implements RecipeDisplayItem, EnergyN
 
     protected void constructMenu(@Nonnull BlockMenuPreset preset) {
         for (int i : BORDER) {
-            preset.addItem(i, new CustomItem(Material.GRAY_STAINED_GLASS_PANE, " "), (p, slot, item, action) -> false);
+            preset.addItem(i, ChestMenuUtils.getBackground(), ChestMenuUtils.getEmptyClickHandler());
         }
 
         for (int i : OUTPUT_BORDER) {
-            preset.addItem(i, new CustomItem(Material.ORANGE_STAINED_GLASS_PANE, " "), (p, slot, item, action) -> false);
+            preset.addItem(i, ChestMenuUtils.getOutputSlotTexture(), ChestMenuUtils.getEmptyClickHandler());
         }
 
-        preset.addItem(4, new CustomItem(Material.BLACK_STAINED_GLASS_PANE, " "), (p, slot, item, action) -> false);
+        preset.addItem(4, new CustomItem(Material.BLACK_STAINED_GLASS_PANE, " "), ChestMenuUtils.getEmptyClickHandler());
 
         for (int i : OUTPUT_SLOTS) {
             preset.addMenuClickHandler(i, new AdvancedMenuClickHandler() {