diff --git a/code/modules/reagents/chemistry/holder.dm b/code/modules/reagents/chemistry/holder.dm
index 61273d181d..0cdfec0754 100644
--- a/code/modules/reagents/chemistry/holder.dm
+++ b/code/modules/reagents/chemistry/holder.dm
@@ -496,7 +496,12 @@
 
 		//Standard reaction mechanics:
 			else
-				if (C.FermiChem == TRUE)//Just to make sure
+				if (C.FermiChem == TRUE)//Just to make sure, should only proc when grenades are combining.
+					if (chem_temp > C.ExplodeTemp) //To allow fermigrenades
+						var/datum/chemical_reaction/fermi/Ferm = selected_reaction
+						fermiIsReacting = FALSE
+						SSblackbox.record_feedback("tally", "fermi_chem", 1, ("[Ferm] explosion"))
+						Ferm.FermiExplode(src, my_atom, volume = total_volume, temp = chem_temp, pH = pH)
 					return 0
 
 				for(var/B in cached_required_reagents) //
diff --git a/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm b/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm
index d993322fcb..367093ea6f 100644
--- a/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm
+++ b/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm
@@ -24,26 +24,32 @@
 			if (500 to 750)
 				for(var/turf/turf in range(1,T))
 					new /obj/effect/hotspot(turf)
+				volume*=1.1
 
 			if (751 to 1100)
 				for(var/turf/turf in range(2,T))
 					new /obj/effect/hotspot(turf)
+				volume*=1.2
 
 			if (1101 to 1500) //If you're crafty
 				for(var/turf/turf in range(3,T))
 					new /obj/effect/hotspot(turf)
+				volume*=1.3
 
 			if (1501 to 2500) //requested
 				for(var/turf/turf in range(4,T))
 					new /obj/effect/hotspot(turf)
+				volume*=1.4
 
 			if (2501 to 5000)
 				for(var/turf/turf in range(5,T))
 					new /obj/effect/hotspot(turf)
+				volume*=1.5
 
 			if (5001 to INFINITY)
 				for(var/turf/turf in range(6,T))
 					new /obj/effect/hotspot(turf)
+				volume*=1.6
 
 
 	message_admins("Fermi explosion at [T], with a temperature of [temp], pH of [pH], Impurity tot of [ImpureTot].")
@@ -66,7 +72,7 @@
 
 	if (pH > 10) //if alkaline, small explosion.
 		var/datum/effect_system/reagents_explosion/e = new()
-		e.set_up(round((volume/30)*(pH-9)), T, 0, 0)
+		e.set_up(round((volume/28)*(pH-9)), T, 0, 0)
 		e.start()
 
 	if(!ImpureTot == 0) //If impure, v.small emp (0.6 or less)
@@ -137,12 +143,16 @@
 
 /datum/chemical_reaction/fermi/SDGF/FermiExplode(datum/reagents, var/atom/my_atom, volume, temp, pH)//Spawns an angery teratoma!
 	var/turf/T = get_turf(my_atom)
-	var/mob/living/simple_animal/slime/S = new(T,"green")
-	S.damage_coeff = list(BRUTE = 0.9 , BURN = 2, TOX = 1, CLONE = 1, STAMINA = 0, OXY = 1)
-	S.name = "Living teratoma"
-	S.real_name = "Living teratoma"
-	S.rabid = 1//Make them an angery boi
-	S.color = "#810010"
+	var/amount_to_spawn = round((volume/100), 1)
+	if(amount_to_spawn <= 0)
+		amount_to_spawn = 1
+	for(var/i in 1 to amount_to_spawn)
+		var/mob/living/simple_animal/slime/S = new(T,"green")
+		S.damage_coeff = list(BRUTE = 0.9 , BURN = 2, TOX = 1, CLONE = 1, STAMINA = 0, OXY = 1)
+		S.name = "Living teratoma"
+		S.real_name = "Living teratoma"
+		S.rabid = 1//Make them an angery boi
+		S.color = "#810010"
 	my_atom.reagents.clear_reagents()
 	var/list/seen = viewers(8, get_turf(my_atom))
 	for(var/mob/M in seen)
@@ -353,11 +363,15 @@
 	PurityMin		= 0.5
 
 /datum/chemical_reaction/fermi/hatmium/FermiExplode(src, var/atom/my_atom, volume, temp, pH)
-	var/obj/item/clothing/head/hattip/hat = new /obj/item/clothing/head/hattip(get_turf(my_atom))
-	hat.animate_atom_living()
+	var/amount_to_spawn = round((volume/100), 1)
+	if(amount_to_spawn <= 0)
+		amount_to_spawn = 1
+	for(var/i in 1 to amount_to_spawn)
+		var/obj/item/clothing/head/hattip/hat = new /obj/item/clothing/head/hattip(get_turf(my_atom))
+		hat.animate_atom_living()
 	var/list/seen = viewers(8, get_turf(my_atom))
 	for(var/mob/M in seen)
-		to_chat(M, "<span class='warning'>The makes an off sounding pop, as a hat suddenly climbs out of the beaker!</b></span>")
+		to_chat(M, "<span class='warning'>The [my_atom] makes an off sounding pop, as a hat suddenly climbs out of it!</b></span>")
 	my_atom.reagents.clear_reagents()
 
 /datum/chemical_reaction/fermi/furranium