diff --git a/MCGalaxy/Blocks/Physics/ActivateablePhysics.cs b/MCGalaxy/Blocks/Physics/ActivateablePhysics.cs
index 8b313c9de..568f7f871 100644
--- a/MCGalaxy/Blocks/Physics/ActivateablePhysics.cs
+++ b/MCGalaxy/Blocks/Physics/ActivateablePhysics.cs
@@ -85,6 +85,7 @@ namespace MCGalaxy.Blocks.Physics {
             }
         }
         
+        
         internal static PhysicsArgs GetDoorArgs(byte raw, bool isExt, out byte physForm) {
             PhysicsArgs args = default(PhysicsArgs);
             args.Type1 = PhysicsArgs.Wait; args.Value1 = 16 - 1;
@@ -112,5 +113,46 @@ namespace MCGalaxy.Blocks.Physics {
             args.ExtBlock = isExt;
             return args;
         }
+        
+        
+        internal static void CheckNeighbours(Level lvl, ushort x, ushort y, ushort z) {
+            CheckAt(lvl, lvl.PosToInt((ushort)(x + 1), y, z));
+            CheckAt(lvl, lvl.PosToInt((ushort)(x - 1), y, z));
+            CheckAt(lvl, lvl.PosToInt(x, y, (ushort)(z + 1)));
+            CheckAt(lvl, lvl.PosToInt(x, y, (ushort)(z - 1)));
+            CheckAt(lvl, lvl.PosToInt(x, (ushort)(y + 1), z));
+            // ommision of y-1 to match original behaviour
+        }
+        
+        internal static void CheckAt(Level lvl, int index) {
+            if (index == -1) return;
+            byte block = lvl.blocks[index];
+            byte convBlock = Block.Convert(block);
+            if (convBlock == Block.water || convBlock == Block.lava ||
+                (block >= Block.red && block <= Block.white)) {
+                lvl.AddCheck(index); return;
+            }
+
+            switch (block) {
+                    //case Block.water:
+                    //case Block.lava:
+                case Block.shrub:
+                case Block.sand:
+                case Block.gravel:
+                case Block.leaf:
+                case Block.wood_float:
+                    /*case Block.lava_fast:
+                    case Block.WaterDown:
+                    case Block.LavaDown:
+                    case Block.deathlava:
+                    case Block.deathwater:
+                    case Block.geyser:
+                    case Block.magma:*/
+                    lvl.AddCheck(index);
+                    break;
+                default:
+                    break;
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/MCGalaxy/Blocks/Physics/AirPhysics.cs b/MCGalaxy/Blocks/Physics/AirPhysics.cs
index 6046dfe37..532c0691d 100644
--- a/MCGalaxy/Blocks/Physics/AirPhysics.cs
+++ b/MCGalaxy/Blocks/Physics/AirPhysics.cs
@@ -26,12 +26,8 @@ namespace MCGalaxy.Blocks.Physics {
             ushort x, y, z;
             lvl.IntToPos(C.b, out x, out y, out z);
             
-            PhysAir(lvl, lvl.PosToInt((ushort)(x + 1), y, z));
-            PhysAir(lvl, lvl.PosToInt((ushort)(x - 1), y, z));
-            PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z + 1)));
-            PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z - 1)));
-            PhysAir(lvl, lvl.PosToInt(x, (ushort)(y + 1), z));
-            PhysAir(lvl, lvl.PosToInt(x, (ushort)(y - 1), z));
+            ActivateablePhysics.CheckNeighbours(lvl, x, y, z);
+            ActivateablePhysics.CheckAt(lvl, lvl.PosToInt(x, (ushort)(y - 1), z));
 
             //Edge of map water
             if (lvl.edgeWater && (y < lvl.Height / 2 && y >= (lvl.Height / 2) - 2)) {
@@ -77,36 +73,5 @@ namespace MCGalaxy.Blocks.Physics {
             if (curBlock == Block.water || curBlock == Block.lava)
                 lvl.AddUpdate(index, block);
         }
-        
-        internal static void PhysAir(Level lvl, int index) {
-            if (index == -1) return;
-            byte block = lvl.blocks[index];
-            byte convBlock = Block.Convert(block);
-            if (convBlock == Block.water || convBlock == Block.lava ||
-                (block >= Block.red && block <= Block.white)) {
-                lvl.AddCheck(index); return;
-            }
-
-            switch (block) {
-                //case Block.water:
-                //case Block.lava:
-                case Block.shrub:
-                case Block.sand:
-                case Block.gravel:
-                case Block.leaf:
-                case Block.wood_float:
-                    /*case Block.lava_fast:
-                    case Block.WaterDown:
-                    case Block.LavaDown:
-                    case Block.deathlava:
-                    case Block.deathwater:
-                    case Block.geyser:
-                    case Block.magma:*/
-                    lvl.AddCheck(index);
-                    break;
-                default:
-                    break;
-            }
-        }
     }
 }
diff --git a/MCGalaxy/Blocks/Physics/LeafPhysics.cs b/MCGalaxy/Blocks/Physics/LeafPhysics.cs
index 5305d30b2..6febf5809 100644
--- a/MCGalaxy/Blocks/Physics/LeafPhysics.cs
+++ b/MCGalaxy/Blocks/Physics/LeafPhysics.cs
@@ -24,13 +24,8 @@ namespace MCGalaxy.Blocks.Physics {
         public static void DoLeaf(Level lvl, ref Check C) {
             if (lvl.physics > 1) { //Adv physics kills flowers and mushroos in water/lava
                 ushort x, y, z;
-                lvl.IntToPos(C.b, out x, out y, out z);
-            
-                AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x + 1), y, z));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x - 1), y, z));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z + 1)));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z - 1)));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, (ushort)(y + 1), z));
+                lvl.IntToPos(C.b, out x, out y, out z);            
+                ActivateablePhysics.CheckNeighbours(lvl, x, y, z);
             }
 
             // Just immediately remove from physics list
diff --git a/MCGalaxy/Blocks/Physics/OtherPhysics.cs b/MCGalaxy/Blocks/Physics/OtherPhysics.cs
index 99fab68f1..a645fa6bb 100644
--- a/MCGalaxy/Blocks/Physics/OtherPhysics.cs
+++ b/MCGalaxy/Blocks/Physics/OtherPhysics.cs
@@ -62,11 +62,7 @@ namespace MCGalaxy.Blocks.Physics {
                 else
                     lvl.AddUpdate(lvl.IntOffset(index, 0, 1, 0), block);
                 
-                AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x + 1), y, z));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x - 1), y, z));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z + 1)));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z - 1)));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, (ushort)(y + 1), z));
+                ActivateablePhysics.CheckNeighbours(lvl, x, y, z);
             }
             C.data.Data = PhysicsArgs.RemoveFromChecks;
         }
@@ -107,11 +103,7 @@ namespace MCGalaxy.Blocks.Physics {
             ushort x, y, z;
             lvl.IntToPos(C.b, out x, out y, out z);
             if (lvl.physics > 1) { //Adv physics kills flowers and mushroos in water/lava
-                AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x + 1), y, z));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x - 1), y, z));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z + 1)));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z - 1)));
-                AirPhysics.PhysAir(lvl, lvl.PosToInt(x, (ushort)(y + 1), z));
+                ActivateablePhysics.CheckNeighbours(lvl, x, y, z);
             }
 
             if (!lvl.growTrees) { C.data.Data = PhysicsArgs.RemoveFromChecks; return; }
@@ -190,11 +182,7 @@ namespace MCGalaxy.Blocks.Physics {
             lvl.IntToPos(C.b, out x, out y, out z);
             
             //Adv physics kills flowers and mushroos in water/lava
-            AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x + 1), y, z));
-            AirPhysics.PhysAir(lvl, lvl.PosToInt((ushort)(x - 1), y, z));
-            AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z + 1)));
-            AirPhysics.PhysAir(lvl, lvl.PosToInt(x, y, (ushort)(z - 1)));
-            AirPhysics.PhysAir(lvl, lvl.PosToInt(x, (ushort)(y + 1), z));
+            ActivateablePhysics.CheckNeighbours(lvl, x, y, z);
             C.data.Data = PhysicsArgs.RemoveFromChecks;
         }
     }