diff --git a/code/datums/supply_packs/explosives.dm b/code/datums/supply_packs/explosives.dm
index 22458ef3fa6b..032ef047c78a 100644
--- a/code/datums/supply_packs/explosives.dm
+++ b/code/datums/supply_packs/explosives.dm
@@ -1,7 +1,7 @@
 // Group to populate with all the explosives exept OB and mortar shell
 
 /datum/supply_packs/explosives
-	name = "surplus explosives crate (claymore mine x5, M40 HIDP x2, M40 HEDP x2, M15 Frag x2, M12 Blast x2)"
+	name = "surplus explosives crate (claymore mine x5, M40 HIDP x2, M40 HEDP x2, M15 Frag x2, M12 Blast x2, M40 MFHS x2)"
 	contains = list(
 		/obj/item/storage/box/explosive_mines,
 		/obj/item/explosive/grenade/high_explosive,
@@ -12,6 +12,8 @@
 		/obj/item/explosive/grenade/high_explosive/m15,
 		/obj/item/explosive/grenade/high_explosive/pmc,
 		/obj/item/explosive/grenade/high_explosive/pmc,
+		/obj/item/explosive/grenade/metal_foam,
+		/obj/item/explosive/grenade/metal_foam,
 	)
 	cost = 40
 	containertype = /obj/structure/closet/crate/explosives
diff --git a/code/game/machinery/vending/vendor_types/requisitions.dm b/code/game/machinery/vending/vendor_types/requisitions.dm
index 24f58c8f6ae3..6a806dd602ec 100644
--- a/code/game/machinery/vending/vendor_types/requisitions.dm
+++ b/code/game/machinery/vending/vendor_types/requisitions.dm
@@ -55,7 +55,7 @@
 		list("M74 AGM-Star Shell", round(scale * 2), /obj/item/explosive/grenade/high_explosive/airburst/starshell, VENDOR_ITEM_REGULAR),
 		list("M74 AGM-Hornet Shell", round(scale * 4), /obj/item/explosive/grenade/high_explosive/airburst/hornet_shell, VENDOR_ITEM_REGULAR),
 		list("M40 HIRR Baton Slug", round(scale * 8), /obj/item/explosive/grenade/slug/baton, VENDOR_ITEM_REGULAR),
-		list("M40 MFHS Metal Foam Grenade", round(scale * 3), /obj/item/explosive/grenade/metal_foam, VENDOR_ITEM_REGULAR),
+		list("M40 MFHS Metal Foam Grenade", round(scale * 6), /obj/item/explosive/grenade/metal_foam, VENDOR_ITEM_REGULAR),
 		list("Plastic Explosives", round(scale * 3), /obj/item/explosive/plastic, VENDOR_ITEM_REGULAR),
 		list("Breaching Charge", round(scale * 2), /obj/item/explosive/plastic/breaching_charge, VENDOR_ITEM_REGULAR),
 
diff --git a/code/game/objects/effects/effect_system/foam.dm b/code/game/objects/effects/effect_system/foam.dm
index edee94cb3747..525cb8c731a9 100644
--- a/code/game/objects/effects/effect_system/foam.dm
+++ b/code/game/objects/effects/effect_system/foam.dm
@@ -156,7 +156,7 @@
 // dense and opaque, but easy to break
 
 #define FOAMED_METAL_FIRE_ACT_DMG 50
-#define FOAMED_METAL_XENO_SLASH 0.8
+#define FOAMED_METAL_XENO_SLASH 1.75
 #define FOAMED_METAL_ITEM_MELEE 2
 #define FOAMED_METAL_BULLET_DMG 2
 #define FOAMED_METAL_EXPLOSION_DMG 1
@@ -173,7 +173,7 @@
 
 /obj/structure/foamed_metal/iron
 	icon_state = "ironfoam"
-	health = 85
+	health = 70
 	name = "foamed iron"
 	desc = "A slightly stronger lightweight foamed iron wall."
 
@@ -211,7 +211,7 @@
 	return FALSE
 
 /obj/structure/foamed_metal/attack_alien(mob/living/carbon/xenomorph/X, dam_bonus)
-	var/damage = (rand(X.melee_damage_lower, X.melee_damage_upper) + dam_bonus)
+	var/damage = ((round((X.melee_damage_lower+X.melee_damage_upper)/2)) + dam_bonus)
 
 	//Frenzy bonus
 	if(X.frenzy_aura > 0)
diff --git a/code/game/objects/items/explosives/grenades/marines.dm b/code/game/objects/items/explosives/grenades/marines.dm
index 46d2d4eba921..1cd3e1577c57 100644
--- a/code/game/objects/items/explosives/grenades/marines.dm
+++ b/code/game/objects/items/explosives/grenades/marines.dm
@@ -705,11 +705,11 @@
 	det_time = 20
 	underslug_launchable = TRUE
 	harmful = FALSE
-	var/foam_metal_type = FOAM_METAL_TYPE_ALUMINIUM
+	var/foam_metal_type = FOAM_METAL_TYPE_IRON
 
 /obj/item/explosive/grenade/metal_foam/prime()
 	var/datum/effect_system/foam_spread/s = new()
-	s.set_up(12, get_turf(src), metal_foam = foam_metal_type) //Metalfoam 1 for aluminum foam, 2 for iron foam (Stronger), 12 amt = 2 tiles radius (5 tile length diamond)
+	s.set_up(12, get_turf(src), metal_foam = foam_metal_type) //12 amt = 2 tiles radius (5 tile length diamond)
 	s.start()
 	qdel(src)
 
diff --git a/code/modules/reagents/chemistry_reactions/other.dm b/code/modules/reagents/chemistry_reactions/other.dm
index 6b60ae89059c..f03abec98fba 100644
--- a/code/modules/reagents/chemistry_reactions/other.dm
+++ b/code/modules/reagents/chemistry_reactions/other.dm
@@ -385,28 +385,11 @@
 		to_chat(M, SPAN_WARNING("The solution spews out a metallic shiny foam!"))
 
 	var/datum/effect_system/foam_spread/s = new()
+	if (created_volume > 300)
+		created_volume = 300
 	s.set_up(created_volume, location, holder, 1)
 	s.start()
 
-
-/datum/chemical_reaction/ironfoam
-	name = "Iron Foam"
-	id = "ironlfoam"
-	result = null
-	required_reagents = list("iron" = 3, "foaming_agent" = 1, "pacid" = 1)
-	result_amount = 5
-
-/datum/chemical_reaction/ironfoam/on_reaction(datum/reagents/holder, created_volume)
-	var/location = get_turf(holder.my_atom)
-
-	for(var/mob/M as anything in viewers(5, location))
-		to_chat(M, SPAN_WARNING("The solution spews out a metallic dull foam!"))
-
-	var/datum/effect_system/foam_spread/s = new()
-	s.set_up(created_volume, location, holder, 2)
-	s.start()
-
-
 /datum/chemical_reaction/foaming_agent
 	name = "Foaming Agent"
 	id = "foaming_agent"