diff --git a/mods/ENTITIES/mcl_mobs/physics.lua b/mods/ENTITIES/mcl_mobs/physics.lua
index c244bc24b..211e01782 100644
--- a/mods/ENTITIES/mcl_mobs/physics.lua
+++ b/mods/ENTITIES/mcl_mobs/physics.lua
@@ -464,6 +464,8 @@ function mob_class:check_for_death(cause, cmi_cause)
 
 	self:mob_sound("death")
 
+	mcl_potions.check_oozing_on_death(self.object)
+
 	local function death_handle(self)
 		if cmi_cause and cmi_cause["type"] then
 			--minetest.log("cmi_cause: " .. tostring(cmi_cause["type"]))
diff --git a/mods/ITEMS/mcl_potions/functions.lua b/mods/ITEMS/mcl_potions/functions.lua
index aae4ca9ab..184fbc69b 100644
--- a/mods/ITEMS/mcl_potions/functions.lua
+++ b/mods/ITEMS/mcl_potions/functions.lua
@@ -1124,7 +1124,6 @@ mcl_potions.register_effect({
 		-- apply to players and non-silverfish mobs
 		if obj:is_player() then return false end
 		local entity = obj:get_luaentity()
-		minetest.debug(entity, entity.is_mob, entity.name, entity and entity.is_mob and entity.name ~= "mobs_mc:silverfish")
 		if entity and entity.is_mob and entity.name ~= "mobs_mc:silverfish" then return false end
 		return true
 	end,
@@ -1137,7 +1136,7 @@ mcl_potions.register_effect({
 
 function mcl_potions.check_infested_on_damage(obj)
 	-- check for infested status effect
-	minetest.debug(mcl_potions.get_effect(obj, "infested"))
+	-- TODO: silverfish should fling out in direction entity faces
 	if mcl_potions.get_effect(obj, "infested") and math.random(1, 10) == 1 then
 		-- 50-50 for 1 or 2 silverfish
 		minetest.add_entity(obj:get_pos(), "mobs_mc:silverfish")
@@ -1151,6 +1150,49 @@ mcl_damage.register_on_damage(function (obj, damage, reason)
 	mcl_potions.check_infested_on_damage(obj)
 end)
 
+
+mcl_potions.register_effect({
+	name = "oozing",
+	description = S("Oozing"),
+	res_condition = function(obj)
+		-- apply to players and non-slime mobs
+		if obj:is_player() then return false end
+		local entity = obj:get_luaentity()
+		if entity and entity.is_mob and not string.find(entity.name, "mobs_mc:slime") then return false end
+		return true
+	end,
+	get_tt = function(factor)
+		return S("Causes 2 medium slimes to spawn on death")
+	end,
+	particle_color = "#60AA30",
+	uses_factor = false,
+})
+
+function mcl_potions.check_oozing_on_death(obj)
+	-- check for oozing status effect
+	-- TODO: maybe slimes shouldn't spawn through walls (is this practical without line of sight check?)
+	if mcl_potions.get_effect(obj, "oozing") then
+		local pos = vector.round(obj:get_pos())
+		-- Use distance of 2 for 5x5x5 area as find_nodes_in_area is quite zealous with valid nodes
+		local nodes_under_air = minetest.find_nodes_in_area_under_air(vector.offset(pos, -2, -2, -2), vector.offset(pos, 2, 2, 2), "group:solid")
+		minetest.debug(#nodes_under_air, #nodes, dump(pos), dump(nodes))
+		-- always 2 medium ('small') slimes
+		for i=1,2 do
+			local spawn_pos
+			if #nodes_under_air == 0 then
+				spawn_pos = pos
+			else
+				spawn_pos = vector.offset(nodes_under_air[math.random(#nodes_under_air)], 0, 1, 0)
+			end
+			minetest.add_entity(spawn_pos, "mobs_mc:slime_small")
+		end
+	end
+end
+
+mcl_damage.register_on_death(function (obj, damage, reason)
+	mcl_potions.check_oozing_on_death(obj)
+end)
+
 -- ██╗░░░██╗██████╗░██████╗░░█████╗░████████╗███████╗
 -- ██║░░░██║██╔══██╗██╔══██╗██╔══██╗╚══██╔══╝██╔════╝
 -- ██║░░░██║██████╔╝██║░░██║███████║░░░██║░░░█████╗░░
diff --git a/mods/ITEMS/mcl_potions/init.lua b/mods/ITEMS/mcl_potions/init.lua
index 788c464a8..66e405922 100644
--- a/mods/ITEMS/mcl_potions/init.lua
+++ b/mods/ITEMS/mcl_potions/init.lua
@@ -399,6 +399,7 @@ local awkward_table = {
 	["mcl_flowers:wither_rose"] = "mcl_potions:withering",
 	["mcl_mobitems:rabbit_foot"] = "mcl_potions:leaping",
 	["mcl_core:stone"] = "mcl_potions:infestation",
+	["mcl_core:slimeblock"] = "mcl_potions:oozing",
 
 	["mcl_flowers:fourleaf_clover"] = "mcl_potions:luck",
 	["mcl_farming:potato_item_poison"] = "mcl_potions:nausea",
diff --git a/mods/ITEMS/mcl_potions/potions.lua b/mods/ITEMS/mcl_potions/potions.lua
index e62729483..e4ae6dd30 100644
--- a/mods/ITEMS/mcl_potions/potions.lua
+++ b/mods/ITEMS/mcl_potions/potions.lua
@@ -803,13 +803,25 @@ mcl_potions.register_potion({
 	desc_suffix = S("of Infestation"),
 	_tt = nil,
 	_longdesc = S("Causes 1-2 silverfish to spawn with a 10% chance when damaged"),
-	color = "#292929",
+	color = "#472331",
 	_effect_list = {
 		infested = {},
 	},
 	has_arrow = true,
 })
 
+mcl_potions.register_potion({
+	name = "oozing",
+	desc_suffix = S("of Oozing"),
+	_tt = nil,
+	_longdesc = S("Causes 2 medium slimes to spawn on death"),
+	color = "#60AA30",
+	_effect_list = {
+		oozing = {},
+	},
+	has_arrow = true,
+})
+
 
 -- COMPAT CODE
 local function replace_legacy_potion(itemstack)