diff --git a/DistTestCore/CodexSetup.cs b/DistTestCore/CodexSetup.cs
index 8c1a73c..0ffb713 100644
--- a/DistTestCore/CodexSetup.cs
+++ b/DistTestCore/CodexSetup.cs
@@ -10,6 +10,7 @@ namespace DistTestCore
         ICodexSetup At(Location location);
         ICodexSetup WithBootstrapNode(IOnlineCodexNode node);
         ICodexSetup WithStorageQuota(ByteSize storageQuota);
+        ICodexSetup WithBlockTTL(TimeSpan duration);
         ICodexSetup EnableMetrics();
         ICodexSetup EnableMarketplace(TestToken initialBalance);
         ICodexSetup EnableMarketplace(TestToken initialBalance, Ether initialEther);
@@ -50,6 +51,12 @@ namespace DistTestCore
             return this;
         }
 
+        public ICodexSetup WithBlockTTL(TimeSpan duration)
+        {
+            BlockTTL = Convert.ToInt32(duration.TotalSeconds);
+            return this;
+        }
+
         public ICodexSetup EnableMetrics()
         {
             MetricsEnabled = true;