diff --git a/carbon-recipe-final-se.lua b/carbon-recipe-final-se.lua
index f48ab59..e0830de 100644
--- a/carbon-recipe-final-se.lua
+++ b/carbon-recipe-final-se.lua
@@ -2,57 +2,59 @@ local futil = require("util")
 local util = require("__bzcarbon__.data-util");
 
 if mods["space-exploration"] then
-if util.me.use_fullerenes() then
-  -- Add an extra nanotube aeroframe scaffold recipe. 
-  -- This could be moved to data-updates in future if necessary
-  data:extend({
-    {
-      type = "recipe",
-      name = "aeroframe-scaffold-nanotubes",
-      icons = {
-        { icon = data.raw.item["se-aeroframe-scaffold"].icon, icon_size = data.raw.item["se-aeroframe-scaffold"].icon_size},
-        { icon = "__bzcarbon__/graphics/icons/nanotube.png", icon_size = 128, scale=0.125, shift= {-8, -8}},
-      },
-      category = "crafting",
-      order = data.raw.item["se-aeroframe-scaffold"].order.."z",
-      enabled = false,
-      energy_required = 2,
-      ingredients = {
-        {"nanotubes", 2},
-        table.unpack(futil.table.deepcopy(data.raw.recipe["se-aeroframe-scaffold"].ingredients)),
-      },
-      result = "se-aeroframe-scaffold",
-      result_count = 2,
-    },
-  })
-  util.add_effect("se-aeroframe-scaffold", {type="unlock-recipe", recipe="aeroframe-scaffold-nanotubes"})
-
-  data:extend({
-    {
-      type = "recipe",
-      name = "nanomaterial-nanotubes",
-      icons = {
-        { icon = data.raw.item["se-nanomaterial"].icon, icon_size = data.raw.item["se-nanomaterial"].icon_size},
-        { icon = "__bzcarbon__/graphics/icons/nanotube.png", icon_size = 128, scale=0.125, shift= {-8, -8}},
-      },
-      category = data.raw.recipe["se-nanomaterial"].category,
-      order = data.raw.item["se-nanomaterial"].order.."z",
-      subgroup = data.raw.item["se-nanomaterial"].subgroup,
-      enabled = false,
-      energy_required = data.raw.recipe["se-nanomaterial"].energy_required,
-      ingredients = {
-        {"nanotubes", 2},
-        table.unpack(futil.table.deepcopy(data.raw.recipe["se-nanomaterial"].ingredients)),
-      },
-      results = {
-        table.unpack(futil.table.deepcopy(data.raw.recipe["se-nanomaterial"].results)),
-      }
-    }
-  })
-  util.add_to_product("nanomaterial-nanotubes", "se-nanomaterial", 16)
-  util.add_effect("se-nanomaterial", {type="unlock-recipe", recipe="nanomaterial-nanotubes"})
-
   -- core mining balancing
-  util.add_to_product("se-core-fragment-omni", "graphite", -3)
+  util.add_to_product("se-core-fragment-omni", "flake-graphite", -3)
+  util.remove_product("se-core-fragment-omni", "rough-diamond")
+
+  if util.me.use_fullerenes() then
+    -- Add an extra nanotube aeroframe scaffold recipe. 
+    -- This could be moved to data-updates in future if necessary
+    data:extend({
+      {
+        type = "recipe",
+        name = "aeroframe-scaffold-nanotubes",
+        icons = {
+          { icon = data.raw.item["se-aeroframe-scaffold"].icon, icon_size = data.raw.item["se-aeroframe-scaffold"].icon_size},
+          { icon = "__bzcarbon__/graphics/icons/nanotube.png", icon_size = 128, scale=0.125, shift= {-8, -8}},
+        },
+        category = "crafting",
+        order = data.raw.item["se-aeroframe-scaffold"].order.."z",
+        enabled = false,
+        energy_required = 2,
+        ingredients = {
+          {"nanotubes", 2},
+          table.unpack(futil.table.deepcopy(data.raw.recipe["se-aeroframe-scaffold"].ingredients)),
+        },
+        result = "se-aeroframe-scaffold",
+        result_count = 2,
+      },
+    })
+    util.add_effect("se-aeroframe-scaffold", {type="unlock-recipe", recipe="aeroframe-scaffold-nanotubes"})
+
+    data:extend({
+      {
+        type = "recipe",
+        name = "nanomaterial-nanotubes",
+        icons = {
+          { icon = data.raw.item["se-nanomaterial"].icon, icon_size = data.raw.item["se-nanomaterial"].icon_size},
+          { icon = "__bzcarbon__/graphics/icons/nanotube.png", icon_size = 128, scale=0.125, shift= {-8, -8}},
+        },
+        category = data.raw.recipe["se-nanomaterial"].category,
+        order = data.raw.item["se-nanomaterial"].order.."z",
+        subgroup = data.raw.item["se-nanomaterial"].subgroup,
+        enabled = false,
+        energy_required = data.raw.recipe["se-nanomaterial"].energy_required,
+        ingredients = {
+          {"nanotubes", 2},
+          table.unpack(futil.table.deepcopy(data.raw.recipe["se-nanomaterial"].ingredients)),
+        },
+        results = {
+          table.unpack(futil.table.deepcopy(data.raw.recipe["se-nanomaterial"].results)),
+        }
+      }
+    })
+    util.add_to_product("nanomaterial-nanotubes", "se-nanomaterial", 16)
+    util.add_effect("se-nanomaterial", {type="unlock-recipe", recipe="nanomaterial-nanotubes"})
+
   end
 end
diff --git a/changelog.txt b/changelog.txt
index d8bf9cb..96d4a4c 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,10 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.0.21
+Date: 2022-01-25
+  Changes:
+    - SE core mining omni - no diamonds, fix graphite balance
+    - Minor compatibility tweaks
+---------------------------------------------------------------------------------------------------
 Version: 0.0.20
 Date: 2022-01-19
   Features:
diff --git a/info.json b/info.json
index 74daf91..336e866 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzcarbon",
-    "version": "0.0.20",
+    "version": "0.0.21",
     "factorio_version": "1.1",
     "title": "Graphite & Diamonds",
     "author": "Brevven",