diff --git a/src/main/java/refinedstorage/container/ContainerConstructor.java b/src/main/java/refinedstorage/container/ContainerConstructor.java
index c0751fc7a..93894e402 100755
--- a/src/main/java/refinedstorage/container/ContainerConstructor.java
+++ b/src/main/java/refinedstorage/container/ContainerConstructor.java
@@ -27,10 +27,10 @@ public class ContainerConstructor extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 4) {
-                if (!mergeItemStack(stack, 4 + 1, inventorySlots.size(), false)) {
+                if (!mergeItemStack(stack, 4, inventorySlots.size(), false)) {
                     return null;
                 }
             } else if (!mergeItemStack(stack, 0, 4, false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerCrafter.java b/src/main/java/refinedstorage/container/ContainerCrafter.java
index 15e4f6e33..f46c54dfb 100755
--- a/src/main/java/refinedstorage/container/ContainerCrafter.java
+++ b/src/main/java/refinedstorage/container/ContainerCrafter.java
@@ -28,10 +28,10 @@ public class ContainerCrafter extends ContainerStorage {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 9 + 4) {
-                if (!mergeItemStack(stack, 9 + 4 + 1, inventorySlots.size(), false)) {
+                if (!mergeItemStack(stack, 9 + 4, inventorySlots.size(), false)) {
                     return null;
                 }
             } else if (!mergeItemStack(stack, 0, 9 + 4, false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerDestructor.java b/src/main/java/refinedstorage/container/ContainerDestructor.java
index 189622719..1bce4b602 100755
--- a/src/main/java/refinedstorage/container/ContainerDestructor.java
+++ b/src/main/java/refinedstorage/container/ContainerDestructor.java
@@ -29,7 +29,7 @@ public class ContainerDestructor extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 4) {
                 if (!mergeItemStack(stack, 4 + 9, inventorySlots.size(), false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerDiskDrive.java b/src/main/java/refinedstorage/container/ContainerDiskDrive.java
index 415ef13dd..e3e421cb5 100755
--- a/src/main/java/refinedstorage/container/ContainerDiskDrive.java
+++ b/src/main/java/refinedstorage/container/ContainerDiskDrive.java
@@ -28,10 +28,10 @@ public class ContainerDiskDrive extends ContainerStorage {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 8) {
-                if (!mergeItemStack(stack, 8 + 9 + 1, inventorySlots.size(), false)) {
+                if (!mergeItemStack(stack, 8 + 9, inventorySlots.size(), false)) {
                     return null;
                 }
             } else if (!mergeItemStack(stack, 0, 8, false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerExporter.java b/src/main/java/refinedstorage/container/ContainerExporter.java
index abf00f2d4..7ff6f990c 100755
--- a/src/main/java/refinedstorage/container/ContainerExporter.java
+++ b/src/main/java/refinedstorage/container/ContainerExporter.java
@@ -29,7 +29,7 @@ public class ContainerExporter extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 4) {
                 if (!mergeItemStack(stack, 4 + 9, inventorySlots.size(), false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerImporter.java b/src/main/java/refinedstorage/container/ContainerImporter.java
index 6dc9faba5..c21727668 100755
--- a/src/main/java/refinedstorage/container/ContainerImporter.java
+++ b/src/main/java/refinedstorage/container/ContainerImporter.java
@@ -29,7 +29,7 @@ public class ContainerImporter extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 4) {
                 if (!mergeItemStack(stack, 4 + 9, inventorySlots.size(), false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerInterface.java b/src/main/java/refinedstorage/container/ContainerInterface.java
index 368e8ad40..e1dad439e 100755
--- a/src/main/java/refinedstorage/container/ContainerInterface.java
+++ b/src/main/java/refinedstorage/container/ContainerInterface.java
@@ -38,10 +38,10 @@ public class ContainerInterface extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 9) {
-                if (!mergeItemStack(stack, 9 + 9 + 9 + 4 + 1, inventorySlots.size(), true)) {
+                if (!mergeItemStack(stack, 9 + 9 + 9 + 4, inventorySlots.size(), false)) {
                     return null;
                 }
             } else if (!mergeItemStack(stack, 0, 9, false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerProcessingPatternEncoder.java b/src/main/java/refinedstorage/container/ContainerProcessingPatternEncoder.java
index 6e310c10b..9541dac20 100755
--- a/src/main/java/refinedstorage/container/ContainerProcessingPatternEncoder.java
+++ b/src/main/java/refinedstorage/container/ContainerProcessingPatternEncoder.java
@@ -46,10 +46,10 @@ public class ContainerProcessingPatternEncoder extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && !(slot instanceof SlotSpecimen) && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 2) {
-                if (!mergeItemStack(stack, 2 + 18 + 1, inventorySlots.size(), false)) {
+                if (!mergeItemStack(stack, 2 + 18, inventorySlots.size(), false)) {
                     return null;
                 }
             } else if (!mergeItemStack(stack, 0, 1, false)) {
diff --git a/src/main/java/refinedstorage/container/ContainerSolderer.java b/src/main/java/refinedstorage/container/ContainerSolderer.java
index ca059f684..ce594ce1d 100755
--- a/src/main/java/refinedstorage/container/ContainerSolderer.java
+++ b/src/main/java/refinedstorage/container/ContainerSolderer.java
@@ -36,10 +36,14 @@ public class ContainerSolderer extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 4) {
-                if (!mergeItemStack(stack, 4 + 1, inventorySlots.size(), true)) {
+                if (!mergeItemStack(stack, 4 + 4, inventorySlots.size(), false)) {
+                    return null;
+                }
+            } else if (index < 4 + 4) {
+                if (!mergeItemStack(stack, 4 + 4, inventorySlots.size(), false)) {
                     return null;
                 }
             } else if (!mergeItemStack(stack, 0, 3, false)) { // 0 - 3 because we can't shift click to output slot
diff --git a/src/main/java/refinedstorage/container/ContainerWirelessTransmitter.java b/src/main/java/refinedstorage/container/ContainerWirelessTransmitter.java
index c43fe49f3..729b6eeed 100755
--- a/src/main/java/refinedstorage/container/ContainerWirelessTransmitter.java
+++ b/src/main/java/refinedstorage/container/ContainerWirelessTransmitter.java
@@ -24,10 +24,10 @@ public class ContainerWirelessTransmitter extends ContainerBase {
         Slot slot = getSlot(index);
 
         if (slot != null && slot.getHasStack()) {
-            stack = slot.getStack().copy();
+            stack = slot.getStack();
 
             if (index < 4) {
-                if (!mergeItemStack(stack, 4 + 1, inventorySlots.size(), false)) {
+                if (!mergeItemStack(stack, 4, inventorySlots.size(), false)) {
                     return null;
                 }
             } else if (!mergeItemStack(stack, 0, 4, false)) {