diff --git a/src/main/java/ru/bclib/interfaces/BiomeSetter.java b/src/main/java/ru/bclib/interfaces/BiomeSetter.java
new file mode 100644
index 00000000..09a8e447
--- /dev/null
+++ b/src/main/java/ru/bclib/interfaces/BiomeSetter.java
@@ -0,0 +1,8 @@
+package ru.bclib.interfaces;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.biome.Biome;
+
+public interface BiomeSetter {
+	public void bclib_setBiome(Biome biome, BlockPos pos);
+}
diff --git a/src/main/java/ru/bclib/mixin/common/ChunkBiomeContainerMixin.java b/src/main/java/ru/bclib/mixin/common/ChunkBiomeContainerMixin.java
new file mode 100644
index 00000000..3ad2c2a8
--- /dev/null
+++ b/src/main/java/ru/bclib/mixin/common/ChunkBiomeContainerMixin.java
@@ -0,0 +1,134 @@
+package ru.bclib.mixin.common;
+
+import net.fabricmc.loader.api.FabricLoader;
+import net.minecraft.core.BlockPos;
+import net.minecraft.util.BitStorage;
+import net.minecraft.util.Mth;
+import net.minecraft.world.level.biome.Biome;
+import net.minecraft.world.level.chunk.ChunkBiomeContainer;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import ru.bclib.BCLib;
+import ru.bclib.interfaces.BiomeSetter;
+
+import java.lang.reflect.Field;
+
+@Mixin(ChunkBiomeContainer.class)
+public class ChunkBiomeContainerMixin implements BiomeSetter {
+	private static boolean bclib_hasHydrogen = FabricLoader.getInstance().isModLoaded("hydrogen");
+	
+	@Final
+	@Shadow
+	private Biome[] biomes;
+	
+	@Final
+	@Shadow
+	private static int WIDTH_BITS;
+	
+	@Final
+	@Shadow
+	private static int HORIZONTAL_MASK;
+	
+	@Override
+	public void bclib_setBiome(Biome biome, BlockPos pos) {
+		int biomeX = pos.getX() >> 2;
+		int biomeY = pos.getY() >> 2;
+		int biomeZ = pos.getZ() >> 2;
+		int index = be_getArrayIndex(biomeX, biomeY, biomeZ);
+		
+		if (bclib_hasHydrogen && be_shouldWriteToHydrogen()) {
+			try {
+				ChunkBiomeContainer self = (ChunkBiomeContainer) (Object) this;
+				BitStorage storage = be_getHydrogenStorage(self);
+				Biome[] palette = be_getHydrogenPalette(self);
+				int paletteIndex = be_getHydrogenPaletteIndex(biome, palette);
+				if (paletteIndex == -1) {
+					Biome[] newPalette = new Biome[palette.length + 1];
+					System.arraycopy(palette, 0, newPalette, 0, palette.length);
+					paletteIndex = palette.length;
+					palette = newPalette;
+					palette[paletteIndex] = biome;
+					be_setHydrogenPalette(self, palette);
+				}
+				try {
+					storage.set(index, paletteIndex);
+				}
+				catch (Exception e) {
+					int size = storage.getSize();
+					int bits = Mth.ceillog2(palette.length);
+					BitStorage newStorage = new BitStorage(bits, size);
+					for (int i = 0; i < size; i++) {
+						newStorage.set(i, storage.get(i));
+					}
+					storage = newStorage;
+					storage.set(index, paletteIndex);
+					be_setHydrogenStorage(self, storage);
+				}
+			}
+			catch (Exception e) {
+				BCLib.LOGGER.warning(e.getLocalizedMessage());
+			}
+			return;
+		}
+		
+		biomes[index] = biome;
+	}
+	
+	@Shadow
+	@Final
+	private int quartMinY;
+	@Shadow
+	@Final
+	private int quartHeight;
+	
+	private boolean be_shouldWriteToHydrogen() {
+		try {
+			Field field = ChunkBiomeContainer.class.getDeclaredField("intArray");
+			return field != null;
+		}
+		catch (NoSuchFieldException e) {
+			return false;
+		}
+	}
+	
+	private int be_getArrayIndex(int biomeX, int biomeY, int biomeZ) {
+		int i = biomeX & HORIZONTAL_MASK;
+		int j = Mth.clamp(biomeY - this.quartMinY, 0, this.quartHeight);
+		int k = biomeZ & HORIZONTAL_MASK;
+		return j << WIDTH_BITS + WIDTH_BITS | k << WIDTH_BITS | i;
+	}
+	
+	private Field be_getField(String name) throws Exception {
+		Field field = ChunkBiomeContainer.class.getDeclaredField(name);
+		field.setAccessible(true);
+		return field;
+	}
+	
+	private BitStorage be_getHydrogenStorage(ChunkBiomeContainer container) throws Exception {
+		return (BitStorage) be_getField("intArray").get(container);
+	}
+	
+	private Biome[] be_getHydrogenPalette(ChunkBiomeContainer container) throws Exception {
+		return (Biome[]) be_getField("palette").get(container);
+	}
+	
+	private int be_getHydrogenPaletteIndex(Biome biome, Biome[] palette) {
+		int index = -1;
+		for (int i = 0; i < palette.length; i++) {
+			if (palette[i] == biome) {
+				index = i;
+				break;
+			}
+		}
+		return index;
+	}
+	
+	private void be_setHydrogenPalette(ChunkBiomeContainer container, Biome[] palette) throws Exception {
+		be_getField("palette").set(container, palette);
+	}
+	
+	private void be_setHydrogenStorage(ChunkBiomeContainer container, BitStorage storage) throws Exception {
+		be_getField("intArray").set(container, storage);
+	}
+}
diff --git a/src/main/resources/bclib.mixins.common.json b/src/main/resources/bclib.mixins.common.json
index c449923b..2ce54afa 100644
--- a/src/main/resources/bclib.mixins.common.json
+++ b/src/main/resources/bclib.mixins.common.json
@@ -7,6 +7,7 @@
 		"SimpleReloadableResourceManagerMixin",
 		"shears.DiggingEnchantmentMixin",
 		"shears.TripWireBlockMixin",
+		"ChunkBiomeContainerMixin",
 		"shears.BeehiveBlockMixin",
 		"shears.PumpkinBlockMixin",
 		"shears.MushroomCowMixin",