diff --git a/src/main/java/gregtech/api/enums/Materials.java b/src/main/java/gregtech/api/enums/Materials.java
index ffca72e0..2ecab18e 100644
--- a/src/main/java/gregtech/api/enums/Materials.java
+++ b/src/main/java/gregtech/api/enums/Materials.java
@@ -420,7 +420,7 @@ public enum Materials implements IColorModulationContainer, ISubTagContainer {
 	 * First Degree Compounds
 	 */
 	Methane				( 715, TextureSet.SET_FLUID				,   1.0F,      0,  1,         16                            , 255, 255, 255,   0,	"Methane"						,    1,      45,         -1,    0, false, false,   3,   1,   1, Dyes.dyeMagenta		, 1, Arrays.asList(new MaterialStack(Carbon, 1), new MaterialStack(Hydrogen, 4))),
-	CarbonDioxide		( 497, TextureSet.SET_FLUID				,   1.0F,      0,  2,         16|32                         , 169, 208, 245, 240,	"Carbon Dioxide"				,    0,       0,         25,    1, false, true,   1,   1,   1, Dyes.dyeLightBlue	, 0, Arrays.asList(new MaterialStack(Carbon, 9), new MaterialStack(Oxygen, 3))),
+	CarbonDioxide		( 497, TextureSet.SET_FLUID				,   1.0F,      0,  2,         16|32                         , 169, 208, 245, 240,	"Carbon Dioxide"				,    0,       0,         25,    1, false, true,   1,   1,   1, Dyes.dyeLightBlue	, 0, Arrays.asList(new MaterialStack(Carbon, 1), new MaterialStack(Oxygen, 2))),
 	NobleGases			( 496, TextureSet.SET_FLUID				,   1.0F,      0,  2,         16|32                         , 169, 208, 245, 240,	"Noble Gases"					,    0,       0,          4,    0, false, true,   1,   1,   1, Dyes.dyeLightBlue	, 2, Arrays.asList(new MaterialStack(CarbonDioxide,21),new MaterialStack(Helium, 9), new MaterialStack(Methane, 3), new MaterialStack(Deuterium, 1))),
 	Air					(  -1, TextureSet.SET_FLUID				,   1.0F,      0,  2,         16|32                         , 169, 208, 245, 240,	"Air"							,    0,       0,         -1,    0, false, true,   1,   1,   1, Dyes.dyeLightBlue	, 0, Arrays.asList(new MaterialStack(Nitrogen, 40), new MaterialStack(Oxygen, 11), new MaterialStack(Argon, 1),new MaterialStack(NobleGases,1))),
 	LiquidAir			( 495, TextureSet.SET_FLUID				,   1.0F,      0,  2,         16|32                         , 169, 208, 245, 240,	"Liquid Air"					,    0,       0,          4,    0, false, true,   1,   1,   1, Dyes.dyeLightBlue	, 2, Arrays.asList(new MaterialStack(Nitrogen, 40), new MaterialStack(Oxygen, 11), new MaterialStack(Argon, 1),new MaterialStack(NobleGases,1))),
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java
index d631cf41..70086be2 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java
@@ -204,7 +204,8 @@ public abstract class GT_MetaTileEntity_Buffer extends GT_MetaTileEntity_TieredM
     @Override
     public void onScrewdriverRightClick(byte aSide, EntityPlayer aPlayer, float aX, float aY, float aZ) {
         if (aSide == getBaseMetaTileEntity().getBackFacing()) {
-            mTargetStackSize = (byte) ((mTargetStackSize + 1) % 65);
+        	
+            mTargetStackSize = (byte) ((mTargetStackSize + (aPlayer.isSneaking()? -1 : 1)) % 65);
             if (mTargetStackSize == 0) {
                 GT_Utility.sendChatToPlayer(aPlayer, "Do not regulate Item Stack Size");
             } else {
diff --git a/src/main/java/gregtech/common/blocks/GT_Block_Metal.java b/src/main/java/gregtech/common/blocks/GT_Block_Metal.java
index 53eec284..58e1996b 100644
--- a/src/main/java/gregtech/common/blocks/GT_Block_Metal.java
+++ b/src/main/java/gregtech/common/blocks/GT_Block_Metal.java
@@ -1,9 +1,11 @@
 package gregtech.common.blocks;
 
+import cpw.mods.fml.common.Loader;
 import gregtech.api.enums.Materials;
 import gregtech.api.enums.OrePrefixes;
 import gregtech.api.interfaces.IIconContainer;
 import gregtech.api.util.GT_LanguageManager;
+import gregtech.api.util.GT_ModHandler;
 import gregtech.api.util.GT_OreDictUnificator;
 import net.minecraft.block.material.Material;
 import net.minecraft.item.ItemStack;
@@ -23,6 +25,9 @@ public class GT_Block_Metal extends GT_Block_Storage {
             GT_LanguageManager.addStringLocalization(getUnlocalizedName() + "." + i + ".name", "Block of " + aMats[i].mDefaultLocalName);
             GT_OreDictUnificator.registerOre(aPrefix, aMats[i], new ItemStack(this, 1, i));
         }
+        if(aMats.length<16 && Loader.isModLoaded("NotEnoughItems")){
+        	for( int i = aMats.length;i<16;i++)codechicken.nei.api.API.hideItem(new ItemStack(this, 1, i));                
+        }
     }
 
     public IIcon getIcon(int aSide, int aMeta) {