diff --git a/core/src/mindustry/ctype/UnlockableContent.java b/core/src/mindustry/ctype/UnlockableContent.java
index 17b0e6fe3d..46823a4c1a 100644
--- a/core/src/mindustry/ctype/UnlockableContent.java
+++ b/core/src/mindustry/ctype/UnlockableContent.java
@@ -62,8 +62,10 @@ public abstract class UnlockableContent extends MappableContent{
      * */
     public ObjectSet<UnlockableContent> databaseTabs = new ObjectSet<>();
     /** The tech tree node for this content, if applicable. Null if not part of a tech tree. */
+    @NoPatch
     public @Nullable TechNode techNode;
     /** Tech nodes for all trees that this content is part of. */
+    @NoPatch
     public Seq<TechNode> techNodes = new Seq<>();
     /** Unlock state. Loaded from settings. Do not modify outside the constructor. */
     @NoPatch
diff --git a/core/src/mindustry/world/Block.java b/core/src/mindustry/world/Block.java
index 3c41d849e7..566532dec5 100644
--- a/core/src/mindustry/world/Block.java
+++ b/core/src/mindustry/world/Block.java
@@ -25,6 +25,7 @@ import mindustry.gen.*;
 import mindustry.graphics.*;
 import mindustry.graphics.MultiPacker.*;
 import mindustry.logic.*;
+import mindustry.mod.*;
 import mindustry.type.*;
 import mindustry.ui.*;
 import mindustry.world.blocks.*;
@@ -205,6 +206,7 @@ public class Block extends UnlockableContent implements Senseable{
     /** whether this block can be placed on edges of liquids. */
     public boolean floating = false;
     /** multiblock size */
+    @NoPatch //changing size often leads to catastrophic issues, so don't allow that
     public int size = 1;
     /** multiblock offset */
     public float offset = 0f;
@@ -372,21 +374,29 @@ public class Block extends UnlockableContent implements Senseable{
     /** Scroll position for certain blocks. */
     public float selectScroll;
     /** Building that is created for this block. Initialized in init() via reflection. Set manually if modded. */
+    @NoPatch
     public Prov<Building> buildType = null;
     /** Configuration handlers by type. */
+    @NoPatch
     public ObjectMap<Class<?>, Cons2> configurations = new ObjectMap<>();
     /** Consumption filters. */
+    @NoPatch
     public boolean[] itemFilter = {}, liquidFilter = {};
     /** Array of consumers used by this block. Only populated after init(). */
+    @NoPatch
     public Consume[] consumers = {}, optionalConsumers = {}, nonOptionalConsumers = {}, updateConsumers = {};
     /** Set to true if this block has any consumers in its array. */
+    @NoPatch
     public boolean hasConsumers;
     /** The single power consumer, if applicable. */
+    @NoPatch
     public @Nullable ConsumePower consPower;
 
     /** Map of bars by name. */
+    @NoPatch
     protected OrderedMap<String, Func<Building, Bar>> barMap = new OrderedMap<>();
     /** List for building up consumption before init(). */
+    @NoPatch
     protected Seq<Consume> consumeBuilder = new Seq<>();
 
     protected TextureRegion[] generatedIcons;
diff --git a/core/src/mindustry/world/blocks/defense/turrets/ContinuousLiquidTurret.java b/core/src/mindustry/world/blocks/defense/turrets/ContinuousLiquidTurret.java
index 0b33122722..e9580a24f1 100644
--- a/core/src/mindustry/world/blocks/defense/turrets/ContinuousLiquidTurret.java
+++ b/core/src/mindustry/world/blocks/defense/turrets/ContinuousLiquidTurret.java
@@ -60,6 +60,7 @@ public class ContinuousLiquidTurret extends ContinuousTurret{
     }
 
     public class ContinuousLiquidTurretBuild extends ContinuousTurretBuild{
+        boolean activated;
 
         @Override
         public boolean shouldActiveSound(){
@@ -71,6 +72,13 @@ public class ContinuousLiquidTurret extends ContinuousTurret{
             super.updateTile();
 
             unit.ammo(unit.type().ammoCapacity * liquids.currentAmount() / liquidCapacity);
+
+            //only allow the turret to begin firing when it can fire for 4 continuous updates
+            if(liquids.currentAmount() >= liquidConsumed * 4f){
+                activated = true;
+            }else if(liquids.currentAmount() < liquidConsumed){
+                activated = false;
+            }
         }
 
         @Override
@@ -86,6 +94,11 @@ public class ContinuousLiquidTurret extends ContinuousTurret{
             return hasCorrectAmmo() && super.canConsume();
         }
 
+        @Override
+        public boolean shouldConsume(){
+            return super.shouldConsume() && activated;
+        }
+
         @Override
         public BulletType useAmmo(){
             //does not consume ammo upon firing
@@ -99,7 +112,7 @@ public class ContinuousLiquidTurret extends ContinuousTurret{
 
         @Override
         public boolean hasAmmo(){
-            return hasCorrectAmmo() && ammoTypes.get(liquids.current()) != null && liquids.currentAmount() > 0f;
+            return hasCorrectAmmo() && ammoTypes.get(liquids.current()) != null && liquids.currentAmount() > 0f && activated;
         }
 
         public boolean hasCorrectAmmo(){
diff --git a/tests/src/test/java/PatcherTests.java b/tests/src/test/java/PatcherTests.java
index 92b4071c67..dcc382f5cf 100644
--- a/tests/src/test/java/PatcherTests.java
+++ b/tests/src/test/java/PatcherTests.java
@@ -197,11 +197,22 @@ public class PatcherTests{
         assertEquals(oldLength, UnitTypes.dagger.targetFlags.length);
     }
 
+    @Test
+    void testCannotPatch() throws Exception{
+        Vars.state.patcher.apply(Seq.with("""
+        block.conveyor.size: 2
+        """));
+
+        assertEquals(1, Vars.state.patcher.patches.first().warnings.size);
+        assertEquals(1, Blocks.conveyor.size);
+    }
+
     @Test
     void testBigPatch() throws Exception{
         Vars.state.patcher.apply(Seq.with("""
         item: {
         	fissile-matter: {
+        	    localizedName: Duo
         		hidden: false
         		fullIcon: duo-preview
         		uiIcon: block-duo-ui
@@ -209,6 +220,7 @@ public class PatcherTests{
         }
         block: {
         	pulverizer: {
+        	    localizedName: Duo Factory
         		consumes: {
         			remove: all
         			item: copper