diff --git a/init.lua b/init.lua
index 7759131..9c12903 100644
--- a/init.lua
+++ b/init.lua
@@ -211,20 +211,23 @@ minetest.register_alias("gloopblocks:obsidian", "default:obsidian")
 
 -- Stairs/slabs defs, conversion of normal -> mossy items
 
-function gloopblocks_register_mossy_conversion(mossyobjects)
-	for i in ipairs(mossyobjects) do
-		minetest.register_abm({
-			nodenames = { mossyobjects[i][1] },
-			neighbors = {"default:water_source", "default:water_flowing"},
-			interval = 120,
-			chance = 50,
-			action = function(pos, node)
-				if minetest.find_node_near(pos, 2, "air") then
-					local fdir = node.param2
-					minetest.add_node(pos, {name = mossyobjects[i][2], param2 = fdir})
-				end
-			end,
-		})
+if minetest.setting_getbool("gloopblocks_mossy_conversion") ~= false then
+
+	function gloopblocks_register_mossy_conversion(mossyobjects)
+		for i in ipairs(mossyobjects) do
+			minetest.register_abm({
+				nodenames = { mossyobjects[i][1] },
+				neighbors = {"default:water_source", "default:water_flowing"},
+				interval = 120,
+				chance = 50,
+				action = function(pos, node)
+					if minetest.find_node_near(pos, 2, "air") then
+						local fdir = node.param2
+						minetest.add_node(pos, {name = mossyobjects[i][2], param2 = fdir})
+					end
+				end,
+			})
+		end
 	end
 end
 
@@ -358,64 +361,67 @@ if minetest.get_modpath("moreblocks") then
 
 	-- ABMs for mossy objects
 
-	gloopblocks_register_mossy_conversion({
-		{ "default:cobble", 						"default:mossycobble" },
-		{ "default:stair_cobble", 					"default:stair_mossycobble" },
-		{ "default:slab_cobble", 					"default:slab_mossycobble" },
-		{ "moreblocks:stair_cobble", 				"moreblocks:stair_mossycobble" },
-		{ "moreblocks:stair_cobble_inner", 			"moreblocks:stair_mossycobble_inner" },
-		{ "moreblocks:stair_cobble_outer", 			"moreblocks:stair_mossycobble_outer" },
-		{ "moreblocks:stair_cobble_half", 			"moreblocks:stair_mossycobble_half" },
-		{ "moreblocks:slab_cobble_quarter", 		"moreblocks:slab_mossycobble_quarter" },
-		{ "moreblocks:slab_cobble", 				"moreblocks:slab_mossycobble" },
-		{ "moreblocks:slab_cobble_three_quarter", 	"moreblocks:slab_mossycobble_three_quarter" },
-		{ "moreblocks:panel_cobble", 				"moreblocks:panel_mossycobble" },
-		{ "moreblocks:micro_cobble", 				"moreblocks:micro_mossycobble" },
-		{ "moreblocks:stair_cobble_alt", 			"moreblocks:stair_mossycobble_alt" },
+	if minetest.setting_getbool("gloopblocks_mossy_conversion") ~= false then
 
-		{ "gloopblocks:cobble_road", 				"gloopblocks:cobble_road_mossy" },
-		{ "gloopblocks:stair_cobble_road", 			"gloopblocks:stair_cobble_road_mossy" },
-		{ "gloopblocks:slab_cobble_road", 			"gloopblocks:slab_cobble_road_mossy" },
-		{ "gloopblocks:stair_cobble_road", 			"gloopblocks:stair_cobble_road_mossy" },
-		{ "gloopblocks:stair_cobble_road_inner", 	"gloopblocks:stair_cobble_road_mossy_inner" },
-		{ "gloopblocks:stair_cobble_road_outer", 	"gloopblocks:stair_cobble_road_mossy_outer" },
-		{ "gloopblocks:stair_cobble_road_half", 	"gloopblocks:stair_cobble_road_mossy_half" },
-		{ "gloopblocks:slab_cobble_road_quarter", 	"gloopblocks:slab_cobble_road_mossy_quarter" },
-		{ "gloopblocks:slab_cobble_road", 			"gloopblocks:slab_cobble_road_mossy" },
-		{ "gloopblocks:slab_cobble_road_three_quarter",	"gloopblocks:slab_cobble_road_mossy_three_quarter" },
-		{ "gloopblocks:panel_cobble_road", 			"gloopblocks:panel_cobble_road_mossy" },
-		{ "gloopblocks:micro_cobble_road", 			"gloopblocks:micro_cobble_road_mossy" },
-		{ "gloopblocks:stair_cobble_road_alt", 		"gloopblocks:stair_cobble_road_mossy_alt" },
+		gloopblocks_register_mossy_conversion({
+			{ "default:cobble", 						"default:mossycobble" },
+			{ "default:stair_cobble", 					"default:stair_mossycobble" },
+			{ "default:slab_cobble", 					"default:slab_mossycobble" },
+			{ "moreblocks:stair_cobble", 				"moreblocks:stair_mossycobble" },
+			{ "moreblocks:stair_cobble_inner", 			"moreblocks:stair_mossycobble_inner" },
+			{ "moreblocks:stair_cobble_outer", 			"moreblocks:stair_mossycobble_outer" },
+			{ "moreblocks:stair_cobble_half", 			"moreblocks:stair_mossycobble_half" },
+			{ "moreblocks:slab_cobble_quarter", 		"moreblocks:slab_mossycobble_quarter" },
+			{ "moreblocks:slab_cobble", 				"moreblocks:slab_mossycobble" },
+			{ "moreblocks:slab_cobble_three_quarter", 	"moreblocks:slab_mossycobble_three_quarter" },
+			{ "moreblocks:panel_cobble", 				"moreblocks:panel_mossycobble" },
+			{ "moreblocks:micro_cobble", 				"moreblocks:micro_mossycobble" },
+			{ "moreblocks:stair_cobble_alt", 			"moreblocks:stair_mossycobble_alt" },
 
-		{ "default:stonebrick", 					"gloopblocks:stone_brick_mossy" },
-		{ "default:stair_stonebrick", 				"gloopblocks:stair_stone_brick_mossy" },
-		{ "default:slab_stonebrick", 				"gloopblocks:slab_stone_brick_mossy" },
-		{ "moreblocks:stair_stonebrick", 			"gloopblocks:stair_stone_brick_mossy" },
-		{ "moreblocks:stair_stonebrick_inner", 		"gloopblocks:stair_stone_brick_mossy_inner" },
-		{ "moreblocks:stair_stonebrick_outer", 		"gloopblocks:stair_stone_brick_mossy_outer" },
-		{ "moreblocks:stair_stonebrick_half", 		"gloopblocks:stair_stone_brick_mossy_half" },
-		{ "moreblocks:slab_stonebrick_quarter", 	"gloopblocks:slab_stone_brick_mossy_quarter" },
-		{ "moreblocks:slab_stonebrick", 			"gloopblocks:slab_stone_brick_mossy" },
-		{ "moreblocks:slab_stonebrick_three_quarter", "gloopblocks:slab_stone_brick_mossy_three_quarter" },
-		{ "moreblocks:panel_stonebrick", 			"gloopblocks:panel_stone_brick_mossy" },
-		{ "moreblocks:micro_stonebrick", 			"gloopblocks:micro_stone_brick_mossy" },
-		{ "moreblocks:stair_stonebrick_alt", 		"gloopblocks:stair_stone_brick_mossy_alt" },
+			{ "gloopblocks:cobble_road", 				"gloopblocks:cobble_road_mossy" },
+			{ "gloopblocks:stair_cobble_road", 			"gloopblocks:stair_cobble_road_mossy" },
+			{ "gloopblocks:slab_cobble_road", 			"gloopblocks:slab_cobble_road_mossy" },
+			{ "gloopblocks:stair_cobble_road", 			"gloopblocks:stair_cobble_road_mossy" },
+			{ "gloopblocks:stair_cobble_road_inner", 	"gloopblocks:stair_cobble_road_mossy_inner" },
+			{ "gloopblocks:stair_cobble_road_outer", 	"gloopblocks:stair_cobble_road_mossy_outer" },
+			{ "gloopblocks:stair_cobble_road_half", 	"gloopblocks:stair_cobble_road_mossy_half" },
+			{ "gloopblocks:slab_cobble_road_quarter", 	"gloopblocks:slab_cobble_road_mossy_quarter" },
+			{ "gloopblocks:slab_cobble_road", 			"gloopblocks:slab_cobble_road_mossy" },
+			{ "gloopblocks:slab_cobble_road_three_quarter",	"gloopblocks:slab_cobble_road_mossy_three_quarter" },
+			{ "gloopblocks:panel_cobble_road", 			"gloopblocks:panel_cobble_road_mossy" },
+			{ "gloopblocks:micro_cobble_road", 			"gloopblocks:micro_cobble_road_mossy" },
+			{ "gloopblocks:stair_cobble_road_alt", 		"gloopblocks:stair_cobble_road_mossy_alt" },
 
-		{ "default:stone", 							"gloopblocks:stone_mossy" },
-		{ "default:stair_stone", 					"gloopblocks:stair_stone_mossy" },
-		{ "default:slab_stone", 					"gloopblocks:slab_stone_mossy" },
-		{ "moreblocks:stair_stone", 				"gloopblocks:stair_stone_mossy" },
-		{ "moreblocks:stair_stone_inner", 			"gloopblocks:stair_stone_mossy_inner" },
-		{ "moreblocks:stair_stone_outer", 			"gloopblocks:stair_stone_mossy_outer" },
-		{ "moreblocks:stair_stone_half", 			"gloopblocks:stair_stone_mossy_half" },
+			{ "default:stonebrick", 					"gloopblocks:stone_brick_mossy" },
+			{ "default:stair_stonebrick", 				"gloopblocks:stair_stone_brick_mossy" },
+			{ "default:slab_stonebrick", 				"gloopblocks:slab_stone_brick_mossy" },
+			{ "moreblocks:stair_stonebrick", 			"gloopblocks:stair_stone_brick_mossy" },
+			{ "moreblocks:stair_stonebrick_inner", 		"gloopblocks:stair_stone_brick_mossy_inner" },
+			{ "moreblocks:stair_stonebrick_outer", 		"gloopblocks:stair_stone_brick_mossy_outer" },
+			{ "moreblocks:stair_stonebrick_half", 		"gloopblocks:stair_stone_brick_mossy_half" },
+			{ "moreblocks:slab_stonebrick_quarter", 	"gloopblocks:slab_stone_brick_mossy_quarter" },
+			{ "moreblocks:slab_stonebrick", 			"gloopblocks:slab_stone_brick_mossy" },
+			{ "moreblocks:slab_stonebrick_three_quarter", "gloopblocks:slab_stone_brick_mossy_three_quarter" },
+			{ "moreblocks:panel_stonebrick", 			"gloopblocks:panel_stone_brick_mossy" },
+			{ "moreblocks:micro_stonebrick", 			"gloopblocks:micro_stone_brick_mossy" },
+			{ "moreblocks:stair_stonebrick_alt", 		"gloopblocks:stair_stone_brick_mossy_alt" },
 
-		{ "moreblocks:slab_stone_quarter", 			"gloopblocks:slab_stone_mossy_quarter" },
-		{ "moreblocks:slab_stone", 					"gloopblocks:slab_stone_mossy" },
-		{ "moreblocks:slab_stone_three_quarter",	"gloopblocks:slab_stone_mossy_three_quarter" },
-		{ "moreblocks:panel_stone", 				"gloopblocks:panel_stone_mossy" },
-		{ "moreblocks:micro_stone", 				"gloopblocks:micro_stone_mossy" },
-		{ "moreblocks:stair_stone_alt", 			"gloopblocks:stair_stone_mossy_alt" },
-	})
+			{ "default:stone", 							"gloopblocks:stone_mossy" },
+			{ "default:stair_stone", 					"gloopblocks:stair_stone_mossy" },
+			{ "default:slab_stone", 					"gloopblocks:slab_stone_mossy" },
+			{ "moreblocks:stair_stone", 				"gloopblocks:stair_stone_mossy" },
+			{ "moreblocks:stair_stone_inner", 			"gloopblocks:stair_stone_mossy_inner" },
+			{ "moreblocks:stair_stone_outer", 			"gloopblocks:stair_stone_mossy_outer" },
+			{ "moreblocks:stair_stone_half", 			"gloopblocks:stair_stone_mossy_half" },
+
+			{ "moreblocks:slab_stone_quarter", 			"gloopblocks:slab_stone_mossy_quarter" },
+			{ "moreblocks:slab_stone", 					"gloopblocks:slab_stone_mossy" },
+			{ "moreblocks:slab_stone_three_quarter",	"gloopblocks:slab_stone_mossy_three_quarter" },
+			{ "moreblocks:panel_stone", 				"gloopblocks:panel_stone_mossy" },
+			{ "moreblocks:micro_stone", 				"gloopblocks:micro_stone_mossy" },
+			{ "moreblocks:stair_stone_alt", 			"gloopblocks:stair_stone_mossy_alt" },
+		})
+	end
 
 elseif minetest.get_modpath("stairs") then
 
@@ -477,20 +483,23 @@ elseif minetest.get_modpath("stairs") then
 			S("Pavement Slab"),
 			default.node_sound_stone_defaults())
 
-	gloopblocks_register_mossy_conversion({
-		{ "default:cobble", 					"default:mossycobble" },
-		{ "stairs:stair_cobble", 				"stairs:stair_mossycobble" },
-		{ "stairs:slab_cobble", 				"stairs:slab_mossycobble" },
-		{ "gloopblocks:cobble_road", 			"gloopblocks:cobble_road_mossy" },
-		{ "stairs:stair_cobble_road", 			"stairs:stair_cobble_road_mossy" },
-		{ "stairs:slab_cobble_road", 			"stairs:slab_cobble_road_mossy" },
-		{ "default:stonebrick", 				"gloopblocks:stone_brick_mossy" },
-		{ "stairs:stair_stonebrick", 			"stairs:stair_stone_brick_mossy" },
-		{ "stairs:slab_stonebrick", 			"stairs:slab_stone_brick_mossy" },
-		{ "default:stone", 						"gloopblocks:stone_mossy" },
-		{ "stairs:stair_stone", 				"stairs:stair_stone_mossy" },
-		{ "stairs:slab_stone", 					"stairs:slab_stone_mossy" },
-	})
+	if minetest.setting_getbool("gloopblocks_mossy_conversion") ~= false then
+
+		gloopblocks_register_mossy_conversion({
+			{ "default:cobble", 					"default:mossycobble" },
+			{ "stairs:stair_cobble", 				"stairs:stair_mossycobble" },
+			{ "stairs:slab_cobble", 				"stairs:slab_mossycobble" },
+			{ "gloopblocks:cobble_road", 			"gloopblocks:cobble_road_mossy" },
+			{ "stairs:stair_cobble_road", 			"stairs:stair_cobble_road_mossy" },
+			{ "stairs:slab_cobble_road", 			"stairs:slab_cobble_road_mossy" },
+			{ "default:stonebrick", 				"gloopblocks:stone_brick_mossy" },
+			{ "stairs:stair_stonebrick", 			"stairs:stair_stone_brick_mossy" },
+			{ "stairs:slab_stonebrick", 			"stairs:slab_stone_brick_mossy" },
+			{ "default:stone", 						"gloopblocks:stone_mossy" },
+			{ "stairs:stair_stone", 				"stairs:stair_stone_mossy" },
+			{ "stairs:slab_stone", 					"stairs:slab_stone_mossy" },
+		})
+	end
 
 	minetest.register_alias("default:stair_mossycobble", "stairs:stair_mossycobble")
 	minetest.register_alias("default:slab_mossycobble", "stairs:slab_mossycobble")
@@ -506,7 +515,6 @@ elseif minetest.get_modpath("stairs") then
 	minetest.register_alias("gloopblocks:slab_cement", "stairs:slab_cement")
 	minetest.register_alias("gloopblocks:stair_pavement", "stairs:stair_pavement")
 	minetest.register_alias("gloopblocks:slab_pavement", "stairs:slab_pavement")
-
 end
 
 -- Tools