diff --git a/src/main/java/com/hermanoid/nerd/RecipeDumper.java b/src/main/java/com/hermanoid/nerd/RecipeDumper.java
index 33fc196..3530376 100644
--- a/src/main/java/com/hermanoid/nerd/RecipeDumper.java
+++ b/src/main/java/com/hermanoid/nerd/RecipeDumper.java
@@ -143,13 +143,9 @@ private JsonObject extractJsonRecipeData(QueryResult queryResult){
     }
 
     public Stream<JsonObject> getQueryDumps(List<ItemStack> items) {
-        // TODO: Experiment with parallelization here
-        // Since the bulk of work here is the query, which is already parallel,
-        // I'm not sure how much performance gain (if any) this would cause.
-        return items.stream()
-//                    .limit(500)
+        // Parallelization doesn't help a *lot* but it is like a 2x speedup so I'll take it
+        return items.parallelStream()
                     .map(this::performQuery)
-//                    .parallel()
                     .map(this::extractJsonRecipeData);
     }
 
diff --git a/src/main/java/com/hermanoid/nerd/info_extractors/GTDefaultRecipeInfoExtractor.java b/src/main/java/com/hermanoid/nerd/info_extractors/GTDefaultRecipeInfoExtractor.java
index 0d36667..5133edf 100644
--- a/src/main/java/com/hermanoid/nerd/info_extractors/GTDefaultRecipeInfoExtractor.java
+++ b/src/main/java/com/hermanoid/nerd/info_extractors/GTDefaultRecipeInfoExtractor.java
@@ -4,6 +4,7 @@
 import codechicken.nei.util.NBTJson;
 import com.google.gson.*;
 import com.google.gson.reflect.TypeToken;
+import gregtech.api.enums.Materials;
 import gregtech.api.util.GT_Recipe;
 import gregtech.common.fluid.GT_Fluid;
 import gregtech.nei.GT_NEI_DefaultHandler;
@@ -45,7 +46,12 @@ private static class GTRecipeExclusionStrategy implements ExclusionStrategy {
             "mOreDictAlt"
 
         ));
-        List<Type> badTypes = Arrays.asList(GT_NEI_DefaultHandler.class, ItemStack.class, FluidStack.class);
+        List<Type> badTypes = Arrays.asList(
+            GT_NEI_DefaultHandler.class,
+            ItemStack.class,
+            FluidStack.class,
+            Materials.class // Pops up in metadata (contains lots of images and such)
+        );
         @Override
         public boolean shouldSkipField(FieldAttributes f) {