diff --git a/src/main/java/malte0811/industrialWires/IWPotions.java b/src/main/java/malte0811/industrialWires/IWPotions.java
index 2b0e535..36dff05 100644
--- a/src/main/java/malte0811/industrialWires/IWPotions.java
+++ b/src/main/java/malte0811/industrialWires/IWPotions.java
@@ -23,6 +23,8 @@ import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.potion.Potion;
 import net.minecraft.util.ResourceLocation;
 import net.minecraftforge.fml.common.registry.ForgeRegistries;
+import net.minecraftforge.fml.relauncher.Side;
+import net.minecraftforge.fml.relauncher.SideOnly;
 
 import javax.annotation.Nonnull;
 
@@ -32,8 +34,10 @@ public class IWPotions {
 		tinnitus = new PotionTinnitus();
 	}
 	static class PotionTinnitus extends Potion {
+		ResourceLocation tex = new ResourceLocation(IndustrialWires.MODID,"textures/gui/tinnitus.png");
 		protected PotionTinnitus() {
 			super(true, 0xffff0000);
+			setIconIndex(0, 0);
 			this.setRegistryName(new ResourceLocation(IndustrialWires.MODID, "tinnitus"));
 			ForgeRegistries.POTIONS.register(this);
 		}
@@ -52,5 +56,13 @@ public class IWPotions {
 				}
 			}
 		}
+
+		@Override
+		@SideOnly(Side.CLIENT)
+		public int getStatusIconIndex()
+		{
+			Minecraft.getMinecraft().getTextureManager().bindTexture(tex);
+			return super.getStatusIconIndex();
+		}
 	}
 }
diff --git a/src/main/java/malte0811/industrialWires/blocks/hv/TileEntityMarx.java b/src/main/java/malte0811/industrialWires/blocks/hv/TileEntityMarx.java
index 1dd1c3d..f4c57dc 100644
--- a/src/main/java/malte0811/industrialWires/blocks/hv/TileEntityMarx.java
+++ b/src/main/java/malte0811/industrialWires/blocks/hv/TileEntityMarx.java
@@ -292,7 +292,7 @@ public class TileEntityMarx extends TileEntityIWMultiblock implements ITickable,
 			net.updateValues();
 			NBTTagCompound data = new NBTTagCompound();
 			if (failed) {
-				energyStored = -1;
+				energyStored = -energyStored;
 			} else {
 				int seed = Utils.RAND.nextInt();
 				genDischarge((float) energyStored, seed);//TODO test on a dedicated server
@@ -422,7 +422,7 @@ public class TileEntityMarx extends TileEntityIWMultiblock implements ITickable,
 			if (dischargeData==null) {
 				dischargeData = new Discharge(stageCount);
 			}
-			dischargeData.energy = -1;
+			dischargeData.energy = energy;
 		}
 	}
 
diff --git a/src/main/java/malte0811/industrialWires/client/ClientProxy.java b/src/main/java/malte0811/industrialWires/client/ClientProxy.java
index a515e13..6cde3fb 100644
--- a/src/main/java/malte0811/industrialWires/client/ClientProxy.java
+++ b/src/main/java/malte0811/industrialWires/client/ClientProxy.java
@@ -280,6 +280,7 @@ public class ClientProxy extends CommonProxy {
 	private static ResourceLocation jacobsMiddle = new ResourceLocation(IndustrialWires.MODID, "jacobs_ladder_middle");
 	private static ResourceLocation jacobsEnd = new ResourceLocation(IndustrialWires.MODID, "jacobs_ladder_end");//~210 ms ~= 4 ticks
 	private static ResourceLocation marxBang = new ResourceLocation(IndustrialWires.MODID, "marx_bang");
+	private static ResourceLocation marxPop = new ResourceLocation(IndustrialWires.MODID, "marx_pop");
 
 	@Override
 	public void playJacobsLadderSound(TileEntityJacobsLadder te, int phase, Vec3d soundPos) {
@@ -308,10 +309,12 @@ public class ClientProxy extends CommonProxy {
 
 	@Override
 	public void playMarxBang(TileEntityMarx te, Vec3d pos, float energy) {
+		ResourceLocation soundLoc = marxBang;
 		if (energy<0) {
-			energy = .05F;
+			energy = -energy;
+			soundLoc = marxPop;
 		}
-		PositionedSoundRecord sound = new PositionedSoundRecord(marxBang, SoundCategory.BLOCKS, 5*energy, 1, false, 0, ISound.AttenuationType.LINEAR, (float) pos.x, (float) pos.y, (float) pos.z);
+		PositionedSoundRecord sound = new PositionedSoundRecord(soundLoc, SoundCategory.BLOCKS, 5*energy, 1, false, 0, ISound.AttenuationType.LINEAR, (float) pos.x, (float) pos.y, (float) pos.z);
 		ClientUtils.mc().getSoundHandler().playSound(sound);
 		playingSounds.put(te.getPos(), sound);
 	}
diff --git a/src/main/resources/assets/industrialwires/lang/en_US.lang b/src/main/resources/assets/industrialwires/lang/en_US.lang
index dbee9b7..2c3ac91 100644
--- a/src/main/resources/assets/industrialwires/lang/en_US.lang
+++ b/src/main/resources/assets/industrialwires/lang/en_US.lang
@@ -46,7 +46,7 @@ item.industrialwires.key.key_ring.name=Key Ring
 industrialwires.subtitle.tinnitus=You have a tinnitus
 industrialwires.subtitle.jacobs_ladder=Jacob's ladder hums
 industrialwires.subtitle.marx_bang=Marx generator discharges
-
+industrialwires.subtitle.marx_pop=Marx generator misfires
 
 industrialwires.desc.wireLength=Wire length: %1s block(s)
 industrialwires.desc.recipe=Please check the Engineer's manual for recipe details
diff --git a/src/main/resources/assets/industrialwires/sounds.json b/src/main/resources/assets/industrialwires/sounds.json
index bba18be..a33966f 100644
--- a/src/main/resources/assets/industrialwires/sounds.json
+++ b/src/main/resources/assets/industrialwires/sounds.json
@@ -33,5 +33,12 @@
     "sounds": [
       "industrialwires:marx_bang"
     ]
+  },
+  "marx_pop": {
+    "category": "block",
+    "subtitle": "industrialwires.subtitle.marx_pop",
+    "sounds": [
+      "industrialwires:marx_pop"
+    ]
   }
 }
diff --git a/src/main/resources/assets/industrialwires/sounds/marx_pop.ogg b/src/main/resources/assets/industrialwires/sounds/marx_pop.ogg
new file mode 100644
index 0000000..c51a764
Binary files /dev/null and b/src/main/resources/assets/industrialwires/sounds/marx_pop.ogg differ
diff --git a/src/main/resources/assets/industrialwires/textures/gui/tinnitus.png b/src/main/resources/assets/industrialwires/textures/gui/tinnitus.png
new file mode 100644
index 0000000..131e5c4
Binary files /dev/null and b/src/main/resources/assets/industrialwires/textures/gui/tinnitus.png differ