diff --git a/src/main/java/biomesoplenty/client/particle/EntityPixieTrailFX.java b/src/main/java/biomesoplenty/client/particle/EntityPixieTrailFX.java
index 938ea9452..f8c914306 100644
--- a/src/main/java/biomesoplenty/client/particle/EntityPixieTrailFX.java
+++ b/src/main/java/biomesoplenty/client/particle/EntityPixieTrailFX.java
@@ -45,6 +45,9 @@ public class EntityPixieTrailFX extends Particle
         this.particleMaxAge = (int)((float)this.particleMaxAge * par14);
         this.particleAge = (particleMaxAge / 2) + (int)((particleMaxAge / 2) * world.rand.nextInt(7));
         this.particleAlpha = 1.0F;
+        this.particleRed = 1.0F;
+        this.particleGreen = 1.0F;
+        this.particleBlue = 1.0F;
     }
     
     @Override
@@ -75,6 +78,24 @@ public class EntityPixieTrailFX extends Particle
 
     }
     
+    @Override
+    public int getBrightnessForRender(float p_189214_1_)
+    {
+        float f = ((float)this.particleAge + p_189214_1_) / (float)this.particleMaxAge;
+        f = MathHelper.clamp(f, 0.0F, 1.0F);
+        int i = super.getBrightnessForRender(p_189214_1_);
+        int j = i & 255;
+        int k = i >> 16 & 255;
+        j = j + (int)(f * 15.0F * 16.0F);
+
+        if (j > 240)
+        {
+            j = 240;
+        }
+
+        return j | k << 16;
+    }
+    
     @Override
     public void onUpdate()
     {
diff --git a/src/main/java/biomesoplenty/common/biome/nether/BiomePolarChasm.java b/src/main/java/biomesoplenty/common/biome/nether/BiomePolarChasm.java
index a3a10b463..a069d3979 100644
--- a/src/main/java/biomesoplenty/common/biome/nether/BiomePolarChasm.java
+++ b/src/main/java/biomesoplenty/common/biome/nether/BiomePolarChasm.java
@@ -40,16 +40,19 @@ public class BiomePolarChasm extends BOPHellBiome
         this.wallBlock = BOPBlocks.hard_ice.getDefaultState();
         
         // ice pools
-        this.addGenerator("ice_pools", GeneratorStage.SAND, (new GeneratorLakes.Builder()).amountPerChunk(5.0F).liquid(Blocks.ICE.getDefaultState()).frozenLiquid((IBlockState)null).scatterYMethod(ScatterYMethod.NETHER_SURFACE).create());
+        this.addGenerator("ice_pools", GeneratorStage.SAND, (new GeneratorLakes.Builder()).amountPerChunk(5.0F).waterLakeForBiome(this).liquid(Blocks.ICE.getDefaultState()).frozenLiquid((IBlockState)null).scatterYMethod(ScatterYMethod.NETHER_SURFACE).create());
+        
+        // hot springs
+        this.addGenerator("hot_springs", GeneratorStage.SAND, (new GeneratorLakes.Builder()).amountPerChunk(8.0F).liquid(BOPBlocks.hot_spring_water).frozenLiquid((IBlockState)null).scatterYMethod(ScatterYMethod.NETHER_SURFACE).create());
         
         //ice crystals
         IBlockPosQuery emptyHardIce = BlockQuery.buildAnd().withAltitudeBetween(60, 120).withAirBelow().states(BOPBlocks.hard_ice.getDefaultState()).create();
-        this.addGenerator("ice_crystals", GeneratorStage.ORE_PRE, (new GeneratorCrystals.Builder()).amountPerChunk(25.0F).placeOn(emptyHardIce).with(Blocks.ICE.getDefaultState()).create());
-        this.addGenerator("glowstone_crystals", GeneratorStage.ORE_PRE, (new GeneratorCrystals.Builder()).amountPerChunk(10.0F).placeOn(emptyHardIce).with(Blocks.GLOWSTONE.getDefaultState()).create());
+        this.addGenerator("ice_crystals", GeneratorStage.ORE_PRE, (new GeneratorCrystals.Builder()).amountPerChunk(50.0F).placeOn(emptyHardIce).with(Blocks.ICE.getDefaultState()).create());
+        this.addGenerator("glowstone_crystals", GeneratorStage.ORE_PRE, (new GeneratorCrystals.Builder()).amountPerChunk(20.0F).placeOn(emptyHardIce).with(Blocks.GLOWSTONE.getDefaultState()).create());
         
         // splatter top blocks
         IBlockPosQuery emptySurface = BlockQuery.buildAnd().withAirAbove().states(this.topBlock).create();
-        this.addGenerator("snow_splatter", GeneratorStage.SAND, (new GeneratorSplatter.Builder()).amountPerChunk(5.0F).generationAttempts(128).scatterYMethod(ScatterYMethod.NETHER_SURFACE).replace(emptySurface).with(Blocks.SNOW.getDefaultState()).create());
+        this.addGenerator("snow_splatter", GeneratorStage.SAND, (new GeneratorSplatter.Builder()).amountPerChunk(7.0F).generationAttempts(128).scatterYMethod(ScatterYMethod.NETHER_SURFACE).replace(emptySurface).with(Blocks.SNOW.getDefaultState()).create());
     }
     
     @Override
diff --git a/src/main/java/biomesoplenty/common/block/BlockBOPGrass.java b/src/main/java/biomesoplenty/common/block/BlockBOPGrass.java
index 18713d450..1c12abbac 100644
--- a/src/main/java/biomesoplenty/common/block/BlockBOPGrass.java
+++ b/src/main/java/biomesoplenty/common/block/BlockBOPGrass.java
@@ -456,7 +456,21 @@ public class BlockBOPGrass extends BlockGrass implements IBOPBlock, ISustainsPla
                 return getDirtBlockMeta(state);
         }
     }
- 
+    
+    @Override
+    @SideOnly(Side.CLIENT)
+    public void randomDisplayTick(IBlockState state, World world, BlockPos pos, Random rand)
+    {
+        super.randomDisplayTick(state, world, pos, rand);
+
+        if (state.getValue(VARIANT) == BOPGrassType.MYCELIAL_NETHERRACK)
+        {
+            if (rand.nextInt(10) == 0)
+            {
+                world.spawnParticle(EnumParticleTypes.TOWN_AURA, (double)((float)pos.getX() + rand.nextFloat()), (double)((float)pos.getY() + 1.1F), (double)((float)pos.getZ() + rand.nextFloat()), 0.0D, 0.0D, 0.0D, new int[0]);
+            }
+        }
+    }
     
     // get the blockstate which corresponds to the type of dirt which this grass variant grows on
     // this is used to determine what drops when you break the grass block, and the type of dirt it reverts to when covered