diff --git a/changelog.txt b/changelog.txt
index e93e68c..0465163 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,6 +3,8 @@ Version: 0.1.2
 Date: 2023-04-16
   Features:
     - K2 matter
+  Changes:
+    - K2 salt water electrolysis time cut in half (due to higher chlorine demands)
   Fixes:
     - Mining particle graphics update
 ---------------------------------------------------------------------------------------------------
diff --git a/prototypes/chlorine.lua b/prototypes/chlorine.lua
index 173402d..5ae8136 100644
--- a/prototypes/chlorine.lua
+++ b/prototypes/chlorine.lua
@@ -80,6 +80,7 @@ data:extend({
 })
 else
   util.replace_ingredient("kr-water-electrolysis", "sand", "salt", 2)
+  util.multiply_time("kr-water-electrolysis", 0.5)
 end
 data:extend({
   {