diff --git a/src/main/java/com/raoulvdberge/refinedstorage/api/storage/IStorageCacheListener.java b/src/main/java/com/raoulvdberge/refinedstorage/api/storage/IStorageCacheListener.java
index c630656ad..732029baf 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/api/storage/IStorageCacheListener.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/api/storage/IStorageCacheListener.java
@@ -1,6 +1,10 @@
 package com.raoulvdberge.refinedstorage.api.storage;
 
+import net.minecraft.item.ItemStack;
+import org.apache.commons.lang3.tuple.Pair;
+
 import javax.annotation.Nonnull;
+import java.util.List;
 
 /**
  * Listens for storage cache changes.
@@ -25,4 +29,6 @@ public interface IStorageCacheListener<T> {
      * @param size  the size, negative if the amount decreases
      */
     void onChanged(@Nonnull T stack, int size);
+
+    void onChangedBulk(@Nonnull List<Pair<T, Integer>> stacks);
 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheItem.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheItem.java
index d3e7c3120..920fad09d 100755
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheItem.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheItem.java
@@ -81,7 +81,11 @@ public class StorageCacheItem implements IStorageCache<ItemStack> {
     @Override
     public synchronized void flush() {
         if (!batchedChanges.isEmpty()) {
-            batchedChanges.forEach(c -> listeners.forEach(l -> l.onChanged(c.getKey(), c.getValue())));
+            if(batchedChanges.size() > 1) {
+                listeners.forEach(l -> l.onChangedBulk(batchedChanges));
+            } else {
+                batchedChanges.forEach(c -> listeners.forEach(l -> l.onChanged(c.getKey(), c.getValue())));
+            }
             batchedChanges.clear();
         }
     }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridFluid.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridFluid.java
index fd412087c..a6a216226 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridFluid.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridFluid.java
@@ -8,8 +8,10 @@ import com.raoulvdberge.refinedstorage.network.MessageGridFluidDelta;
 import com.raoulvdberge.refinedstorage.network.MessageGridFluidUpdate;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraftforge.fluids.FluidStack;
+import org.apache.commons.lang3.tuple.Pair;
 
 import javax.annotation.Nonnull;
+import java.util.List;
 
 public class StorageCacheListenerGridFluid implements IStorageCacheListener<FluidStack> {
     private EntityPlayerMP player;
@@ -34,4 +36,11 @@ public class StorageCacheListenerGridFluid implements IStorageCacheListener<Flui
     public void onChanged(@Nonnull FluidStack stack, int size) {
         RS.INSTANCE.network.sendTo(new MessageGridFluidDelta(network, network.getFluidStorageTracker(), stack, size), player);
     }
+
+    @Override
+    public void onChangedBulk(@Nonnull List<Pair<FluidStack, Integer>> stacks) {
+        for(Pair<FluidStack, Integer> stack : stacks) {
+            onChanged(stack.getLeft(), stack.getRight());
+        }
+    }
 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridItem.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridItem.java
index 9784467a2..19b218e37 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridItem.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridItem.java
@@ -8,8 +8,10 @@ import com.raoulvdberge.refinedstorage.network.MessageGridItemDelta;
 import com.raoulvdberge.refinedstorage.network.MessageGridItemUpdate;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.item.ItemStack;
+import org.apache.commons.lang3.tuple.Pair;
 
 import javax.annotation.Nonnull;
+import java.util.List;
 
 public class StorageCacheListenerGridItem implements IStorageCacheListener<ItemStack> {
     private EntityPlayerMP player;
@@ -34,4 +36,9 @@ public class StorageCacheListenerGridItem implements IStorageCacheListener<ItemS
     public void onChanged(@Nonnull ItemStack stack, int size) {
         RS.INSTANCE.network.sendTo(new MessageGridItemDelta(network, network.getItemStorageTracker(), stack, size), player);
     }
+
+    @Override
+    public void onChangedBulk(@Nonnull List<Pair<ItemStack, Integer>> stacks) {
+        RS.INSTANCE.network.sendTo(new MessageGridItemDelta(network, network.getItemStorageTracker(), stacks), player);
+    }
 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortable.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortable.java
index 951b16ae0..c6bff599f 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortable.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortable.java
@@ -10,8 +10,10 @@ import com.raoulvdberge.refinedstorage.util.StackUtils;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
+import org.apache.commons.lang3.tuple.Pair;
 
 import javax.annotation.Nonnull;
+import java.util.List;
 
 public class StorageCacheListenerGridPortable implements IStorageCacheListener<ItemStack> {
     private IPortableGrid portableGrid;
@@ -49,4 +51,9 @@ public class StorageCacheListenerGridPortable implements IStorageCacheListener<I
     public void onChanged(@Nonnull ItemStack stack, int size) {
         RS.INSTANCE.network.sendTo(new MessageGridItemDelta(null, portableGrid.getItemStorageTracker(), stack, size), player);
     }
+
+    @Override
+    public void onChangedBulk(@Nonnull List<Pair<ItemStack, Integer>> stacks) {
+        RS.INSTANCE.network.sendTo(new MessageGridItemDelta(null, portableGrid.getItemStorageTracker(), stacks), player);
+    }
 }
diff --git a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortableFluid.java b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortableFluid.java
index a67daeebd..9953349a0 100644
--- a/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortableFluid.java
+++ b/src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/StorageCacheListenerGridPortableFluid.java
@@ -10,8 +10,10 @@ import com.raoulvdberge.refinedstorage.util.StackUtils;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
+import org.apache.commons.lang3.tuple.Pair;
 
 import javax.annotation.Nonnull;
+import java.util.List;
 
 public class StorageCacheListenerGridPortableFluid implements IStorageCacheListener<FluidStack> {
     private IPortableGrid portableGrid;
@@ -54,4 +56,11 @@ public class StorageCacheListenerGridPortableFluid implements IStorageCacheListe
     public void onChanged(@Nonnull FluidStack stack, int size) {
         RS.INSTANCE.network.sendTo(new MessageGridFluidDelta(null, portableGrid.getFluidStorageTracker(), stack, size), player);
     }
+
+    @Override
+    public void onChangedBulk(@Nonnull List<Pair<FluidStack, Integer>> stacks) {
+        for(Pair<FluidStack, Integer> stack : stacks) {
+            onChanged(stack.getLeft(), stack.getRight());
+        }
+    }
 }