diff --git a/nmsutils-core/src/main/java/de/cubeside/nmsutils/BiomeUtils.java b/nmsutils-core/src/main/java/de/cubeside/nmsutils/BiomeUtils.java
index 135eb2e..cb27f39 100644
--- a/nmsutils-core/src/main/java/de/cubeside/nmsutils/BiomeUtils.java
+++ b/nmsutils-core/src/main/java/de/cubeside/nmsutils/BiomeUtils.java
@@ -7,7 +7,7 @@
 import org.bukkit.NamespacedKey;
 
 public interface BiomeUtils {
-    CustomBiome registerCustomBiome(NamespacedKey id, float downfall, float temperature, Precipitation precipitation, int fogColor, int waterColor, int waterFogColor, int skyColor, Integer foliageColor, Integer grassColor);
+    CustomBiome registerCustomBiome(NamespacedKey id, float downfall, float temperature, Precipitation precipitation, Integer fogColor, Integer waterColor, Integer waterFogColor, Integer skyColor, Integer foliageColor, Integer grassColor);
 
     CustomBiome getCustomBiome(NamespacedKey id);
 
diff --git a/nmsutils-core/src/main/java/de/cubeside/nmsutils/biome/CustomBiome.java b/nmsutils-core/src/main/java/de/cubeside/nmsutils/biome/CustomBiome.java
index 1046be0..d69d40b 100644
--- a/nmsutils-core/src/main/java/de/cubeside/nmsutils/biome/CustomBiome.java
+++ b/nmsutils-core/src/main/java/de/cubeside/nmsutils/biome/CustomBiome.java
@@ -1,5 +1,12 @@
 package de.cubeside.nmsutils.biome;
 
+import org.bukkit.Location;
+import org.bukkit.NamespacedKey;
+
 public interface CustomBiome {
 
+    NamespacedKey getId();
+
+    boolean setBiome(Location location);
+
 }
diff --git a/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/BiomeUtilsImpl.java b/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/BiomeUtilsImpl.java
index 1ce0582..b0173a8 100644
--- a/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/BiomeUtilsImpl.java
+++ b/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/BiomeUtilsImpl.java
@@ -57,7 +57,7 @@ public NMSUtils getNMSUtils() {
     }
 
     @Override
-    public CustomBiome registerCustomBiome(NamespacedKey id, float downfall, float temperature, de.cubeside.nmsutils.biome.Precipitation precipitation, int fogColor, int waterColor, int waterFogColor, int skyColor, Integer foliageColor, Integer grassColor) {
+    public CustomBiome registerCustomBiome(NamespacedKey id, float downfall, float temperature, de.cubeside.nmsutils.biome.Precipitation precipitation, Integer fogColor, Integer waterColor, Integer waterFogColor, Integer skyColor, Integer foliageColor, Integer grassColor) {
         nmsUtils.getPlugin().getLogger().warning("Injecting biome " + id + "!");
         Server server = nmsUtils.getPlugin().getServer();
         CraftServer craftserver = (CraftServer) server;
@@ -74,23 +74,6 @@ public CustomBiome registerCustomBiome(NamespacedKey id, float downfall, float t
         } catch (IllegalArgumentException | IllegalAccessException e) {
             throw new RuntimeException(e);
         }
-        // Field unregisteredIntrusiveHoldersField = null;
-        // boolean nextIsUnregisteredIntrusiveHoldersField = false;
-        // for (Field f : MappedRegistry.class.getDeclaredFields()) {
-        // if (f.getType() == boolean.class) {
-        // nextIsUnregisteredIntrusiveHoldersField = true;
-        // f.setAccessible(true);
-        // } else if (nextIsUnregisteredIntrusiveHoldersField) {
-        // nextIsUnregisteredIntrusiveHoldersField = false;
-        // unregisteredIntrusiveHoldersField = f;
-        // unregisteredIntrusiveHoldersField.setAccessible(true);
-        // }
-        // }
-        // try {
-        // unregisteredIntrusiveHoldersField.set(registrywritable, new IdentityHashMap<>());
-        // } catch (IllegalArgumentException | IllegalAccessException e) {
-        // throw new RuntimeException(e);
-        // }
 
         Biome forestbiome = registrywritable.get(oldKey);
 
@@ -108,7 +91,10 @@ public CustomBiome registerCustomBiome(NamespacedKey id, float downfall, float t
         builder.generationSettings(forestbiome.getGenerationSettings());
         builder.temperatureAdjustment(TemperatureModifier.NONE);
         Builder effects = new BiomeSpecialEffects.Builder();
-        effects.waterColor(waterColor).waterFogColor(waterFogColor).fogColor(fogColor).skyColor(skyColor);
+        effects.waterColor(waterColor == null ? forestbiome.getWaterColor() : waterColor);
+        effects.waterFogColor(waterFogColor == null ? forestbiome.getWaterFogColor() : waterFogColor);
+        effects.fogColor(fogColor == null ? forestbiome.getFogColor() : fogColor);
+        effects.skyColor(skyColor == null ? forestbiome.getSkyColor() : skyColor);
         if (foliageColor != null) {
             effects.foliageColorOverride(foliageColor);
         }
@@ -125,7 +111,6 @@ public CustomBiome registerCustomBiome(NamespacedKey id, float downfall, float t
 
         try {
             FIELD_MAPPED_REGISTRY_UNREGISTERED_INTRUSIVE_HOLDERS.set(registrywritable, null);
-            // unregisteredIntrusiveHoldersField.set(registrywritable, null);
         } catch (IllegalArgumentException | IllegalAccessException e) {
             throw new RuntimeException(e);
         }
diff --git a/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/CustomBiomeImpl.java b/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/CustomBiomeImpl.java
index 35541f7..cfae9dc 100644
--- a/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/CustomBiomeImpl.java
+++ b/nmsutils-v1_19_R2/src/main/java/de/cubeside/nmsutils/v1_19_R2/CustomBiomeImpl.java
@@ -20,10 +20,12 @@ public CustomBiomeImpl(NamespacedKey bukkitKey, ResourceKey<Biome> key, Biome bi
         this.biomeHolder = biomeHolder;
     }
 
-    public NamespacedKey getBukkitKey() {
+    @Override
+    public NamespacedKey getId() {
         return bukkitKey;
     }
 
+    @Override
     public boolean setBiome(Location location) {
         location.getWorld().getChunkAt(location);
         Level level = ((CraftWorld) location.getWorld()).getHandle();