diff --git a/changelog.txt b/changelog.txt
index c151090..c2de587 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -5,6 +5,8 @@ Date: 2021-03-08
     - New visuals by snouz (icons, technologies)
     - New mod icon
     - Added icon mipmaps
+  Features:
+    - Beta Bio Industries compatibility: silica from crushed stone, concrete recipe update.
 ---------------------------------------------------------------------------------------------------
 Version: 0.4.1
 Date: 2021-02-28
diff --git a/prototypes/silica-recipe.lua b/prototypes/silica-recipe.lua
index 6670b51..5f87de0 100644
--- a/prototypes/silica-recipe.lua
+++ b/prototypes/silica-recipe.lua
@@ -11,7 +11,17 @@ data:extend(
     ingredients = {{"quartz", 10}},
     result = "silica",
     result_count = 30
-  } or {
+  } or mods["Bio_Industries"] and {
+    type = "recipe",
+    name = "silica",
+    category = "biofarm-mod-crushing",
+    enabled = false,
+    energy_required = 6,
+    ingredients = {{"stone-crushed", 4}},
+    result = "silica",
+    result_count = 5,
+  } or
+  {
     type = "recipe",
     name = "silica",
     category = "smelting",
diff --git a/recipe-updates.lua b/recipe-updates.lua
index 6b17564..5f4e858 100644
--- a/recipe-updates.lua
+++ b/recipe-updates.lua
@@ -2,7 +2,12 @@ local util = require("__bzsilicon__.util");
 
 if not mods["Krastorio2"] then
   util.remove_ingredient("concrete", "stone-brick");
-  util.add_ingredient("concrete", "silica", 25);
+  if mods["Bio_Industries"] then
+    util.add_ingredient("concrete", "stone-brick", 3);
+    util.add_ingredient("concrete", "silica", 10);
+  else 
+    util.add_ingredient("concrete", "silica", 25);
+  end
   util.add_prerequisite("concrete", "silica-processing")
 
   if util.more_intermediates() then