diff --git a/bztungsten2/tungsten-recipe-updates.lua b/bztungsten2/tungsten-recipe-updates.lua
index c7781a3..5343718 100644
--- a/bztungsten2/tungsten-recipe-updates.lua
+++ b/bztungsten2/tungsten-recipe-updates.lua
@@ -1,4 +1,4 @@
-local util = require("data-util");
+local util = require("data-util")
 
 local cuw = "tungsten-plate"
 if util.me.cuw() then cuw = "cuw" end
@@ -102,6 +102,14 @@ util.add_ingredient("deadlock-floor-lamp", "tungsten-plate", 2)
 
 ---- K2
 if mods["Krastorio2"] then
+  util.remove_prerequisite("kr-mineral-water-gathering", "chemical-science-pack")
+  util.add_prerequisite("kr-mineral-water-gathering", "kr-fluids-chemistry")
+  util.add_prerequisite("kr-mineral-water-gathering", "logistic-science-pack")
+
+  util.set_tech_recipe(
+    "kr-mineral-water-gathering",
+    { { "kr-basic-tech-card", 1 }, { "automation-science-pack", 1 }, { "logistic-science-pack", 1 } }
+  )
   util.set_tech_recipe("engine", {{"kr-basic-tech-card", 1}, {"automation-science-pack", 1}, {"logistic-science-pack", 1}})
   util.set_tech_recipe("fluid-handling", {{"kr-basic-tech-card", 1}, {"automation-science-pack", 1}, {"logistic-science-pack", 1}})
   util.set_tech_recipe("lamp", {{"kr-basic-tech-card", 1}, {"automation-science-pack", 1}, {"logistic-science-pack", 1}})