diff --git a/PHI-CL/changelog.txt b/PHI-CL/changelog.txt
index 9847cf6..de1d1bd 100644
--- a/PHI-CL/changelog.txt
+++ b/PHI-CL/changelog.txt
@@ -4,6 +4,7 @@ Date: 2026-11-08
 
   Changes:
     - [GM] Disable the acid mist when biter nest is being blocked.
+    - [GM] Reduced recipe cost in VP for metallurgic science pack.
     - [SA] Removed the adjustion of chance of quality.
 
 ---------------------------------------------------------------------------------------------------
diff --git a/PHI-CL/data/b/gm-vp-c.lua b/PHI-CL/data/b/gm-vp-c.lua
index 29ec7f6..8802a14 100644
--- a/PHI-CL/data/b/gm-vp-c.lua
+++ b/PHI-CL/data/b/gm-vp-c.lua
@@ -160,7 +160,7 @@ local items = {
         },
         ['metallurgic-science-pack'] = {
             energy_required = 10,
-            ingredients = {{type = 'item', name = 'tungsten-carbide', amount = 3}, {type = 'item', name = 'tungsten-plate', amount = 2}, {type = 'fluid', name = 'molten-iron', amount = 200, fluidbox_multiplier = 10}, {type = 'fluid', name = 'molten-copper', amount = 200, fluidbox_multiplier = 10}},
+            ingredients = {{type = 'item', name = 'tungsten-carbide', amount = 3}, {type = 'item', name = 'tungsten-plate', amount = 2}, {type = 'fluid', name = 'molten-iron', amount = 100, fluidbox_multiplier = 10}, {type = 'fluid', name = 'molten-copper', amount = 100, fluidbox_multiplier = 10}},
             results = {{type = 'item', name = 'metallurgic-science-pack', amount = 2}}
         },
         ['turbo-transport-belt'] = {