diff --git a/code/modules/food&drinks/food/snacks/dough.dm b/code/modules/food&drinks/food/snacks/dough.dm
index 11f89dc25f1..aca417a2473 100644
--- a/code/modules/food&drinks/food/snacks/dough.dm
+++ b/code/modules/food&drinks/food/snacks/dough.dm
@@ -2,25 +2,6 @@
 
 /////////////////// Dough Ingredients ////////////////////////
 
-// Flour + egg = dough
-/obj/item/weapon/reagent_containers/attackby(obj/item/weapon/W as obj, mob/user as mob, params)
-	if(istype(W,/obj/item/weapon/reagent_containers/food/snacks/egg))
-		var/obj/item/weapon/reagent_containers/food/snacks/egg/E = W
-		if(flags & OPENCONTAINER)
-			if(reagents)
-				if(reagents.has_reagent("flour"))
-					if(reagents.get_reagent_amount("flour") >= 15)
-						var/obj/item/weapon/reagent_containers/food/snacks/S = new /obj/item/weapon/reagent_containers/food/snacks/dough(get_turf(src))
-						user << "<span class='notice'>You mix egg and flour to make some dough.</span>"
-						reagents.remove_reagent("flour", 15)
-						if(E.reagents)
-							E.reagents.trans_to(S,E.reagents.total_volume)
-						qdel(E)
-					else
-						user << "<span class='notice'>Not enough flour to make dough.</span>"
-			return
-	..()
-
 /obj/item/weapon/reagent_containers/food/snacks/dough
 	name = "dough"
 	desc = "A piece of dough."
diff --git a/code/modules/reagents/reagent_containers.dm b/code/modules/reagents/reagent_containers.dm
index 4803a311e33..c0051eb3b8a 100644
--- a/code/modules/reagents/reagent_containers.dm
+++ b/code/modules/reagents/reagent_containers.dm
@@ -77,3 +77,21 @@
 
 			return 0
 	return 1
+
+/obj/item/weapon/reagent_containers/attackby(obj/item/weapon/W as obj, mob/user as mob, params)
+	if(istype(W,/obj/item/weapon/reagent_containers/food/snacks/egg)) //making dough
+		var/obj/item/weapon/reagent_containers/food/snacks/egg/E = W
+		if(flags & OPENCONTAINER)
+			if(reagents)
+				if(reagents.has_reagent("flour"))
+					if(reagents.get_reagent_amount("flour") >= 15)
+						var/obj/item/weapon/reagent_containers/food/snacks/S = new /obj/item/weapon/reagent_containers/food/snacks/dough(get_turf(src))
+						user << "<span class='notice'>You mix egg and flour to make some dough.</span>"
+						reagents.remove_reagent("flour", 15)
+						if(E.reagents)
+							E.reagents.trans_to(S,E.reagents.total_volume)
+						qdel(E)
+					else
+						user << "<span class='notice'>Not enough flour to make dough.</span>"
+			return
+	..()
\ No newline at end of file
diff --git a/code/modules/reagents/reagent_containers/glass.dm b/code/modules/reagents/reagent_containers/glass.dm
index 8e3156f91e3..7079ae6bf26 100644
--- a/code/modules/reagents/reagent_containers/glass.dm
+++ b/code/modules/reagents/reagent_containers/glass.dm
@@ -91,12 +91,18 @@
 /obj/item/weapon/reagent_containers/glass/attackby(var/obj/item/I, mob/user as mob, params)
 	if(istype(I, /obj/item/clothing/mask/cigarette)) //ciggies are weird
 		return
-	if(is_hot(I))
-		var/added_heat = (is_hot(I) / 100) //ishot returns a temperature
-		if(src.reagents)
-			src.reagents.chem_temp += added_heat
-			user << "<span class='notice'>You heat [src] with [I].</span>"
-			src.reagents.handle_reactions()
+	var/hotness = is_hot(I)
+	if(hotness)
+		var/added_heat = (hotness / 100) //ishot returns a temperature
+		if(reagents)
+			if(reagents.chem_temp < hotness) //can't be heated to be hotter than the source
+				reagents.chem_temp += added_heat
+				user << "<span class='notice'>You heat [src] with [I].</span>"
+				reagents.handle_reactions()
+			else
+				user << "<span class='warning'>[src] is already hotter than [I].</span>"
+	..()
+
 
 /obj/item/weapon/reagent_containers/glass/beaker
 	name = "beaker"