diff --git a/src/main/java/ru/bclib/world/biomes/BCLBiomeBuilder.java b/src/main/java/ru/bclib/world/biomes/BCLBiomeBuilder.java
index 33604824..f9659e69 100644
--- a/src/main/java/ru/bclib/world/biomes/BCLBiomeBuilder.java
+++ b/src/main/java/ru/bclib/world/biomes/BCLBiomeBuilder.java
@@ -2,23 +2,78 @@ package ru.bclib.world.biomes;
 
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.level.biome.Biome;
+import net.minecraft.world.level.biome.Biome.BiomeCategory;
+import net.minecraft.world.level.biome.Biome.Precipitation;
 
 public class BCLBiomeBuilder {
 	private static final BCLBiomeBuilder INSTANCE = new BCLBiomeBuilder();
 	
+	private Precipitation precipitation;
 	private ResourceLocation biomeID;
+	private BiomeCategory category;
+	private float temperature;
+	private float downfall;
 	
+	/**
+	 * Starts new biome building process.
+	 * @param biomeID {@link ResourceLocation} biome identifier.
+	 * @return prepared {@link BCLBiomeBuilder} instance.
+	 */
 	public static BCLBiomeBuilder start(ResourceLocation biomeID) {
 		INSTANCE.biomeID = biomeID;
+		INSTANCE.precipitation = Precipitation.NONE;
+		INSTANCE.category = BiomeCategory.NONE;
+		INSTANCE.temperature = 1.0F;
 		return INSTANCE;
 	}
 	
+	/**
+	 * Set biome {@link Precipitation}. Affect biome visual effects (rain, snow, none).
+	 * @param precipitation {@link Precipitation}
+	 * @return same {@link BCLBiomeBuilder} instance.
+	 */
+	public BCLBiomeBuilder precipitation(Precipitation precipitation) {
+		this.precipitation = precipitation;
+		return this;
+	}
+	
+	/**
+	 * Set biome category. Doesn't affect biome worldgen, but Fabric biome modifications can target biome by it.
+	 * @param category {@link BiomeCategory}
+	 * @return same {@link BCLBiomeBuilder} instance.
+	 */
+	public BCLBiomeBuilder category(BiomeCategory category) {
+		this.category = category;
+		return this;
+	}
+	
+	/**
+	 * Set biome temperature, affect plant color, biome generation and ice formation.
+	 * @param temperature biome temperature.
+	 * @return same {@link BCLBiomeBuilder} instance.
+	 */
+	public BCLBiomeBuilder temperature(float temperature) {
+		this.temperature = temperature;
+		return this;
+	}
+	
+	/**
+	 * Set biome wetness (same as downfall). Affect plant color and biome generation.
+	 * @param wetness biome wetness (downfall).
+	 * @return same {@link BCLBiomeBuilder} instance.
+	 */
+	public BCLBiomeBuilder wetness(float wetness) {
+		this.downfall = wetness;
+		return this;
+	}
+	
 	public BCLBiome build() {
 		Biome biome = new Biome.BiomeBuilder()
-			/*.precipitation(precipitation)
+			.precipitation(precipitation)
 			.biomeCategory(category)
 			.temperature(temperature)
 			.downfall(downfall)
+			/*
 			.specialEffects(effects.build())
 			.mobSpawnSettings(spawnSettings.build())
 			.generationSettings(generationSettings.build())*/