diff --git a/code/game/objects/effects/spawners/bombspawner.dm b/code/game/objects/effects/spawners/bombspawner.dm
index 547931a511..05d1a41bf2 100644
--- a/code/game/objects/effects/spawners/bombspawner.dm
+++ b/code/game/objects/effects/spawners/bombspawner.dm
@@ -105,27 +105,61 @@
 	qdel(src)
 */
 
+/client/proc/spawn_tanktransferbomb()
+	set category = "Debug"
+	set desc = "Spawn a tank transfer valve bomb"
+	set name = "Instant TTV"
+
+	if(!check_rights(R_SPAWN)) return
+	
+	var/obj/effect/spawner/newbomb/proto = /obj/effect/spawner/newbomb/radio/custom
+	
+	var/p = input("Enter phoron amount (mol):","Phoron", initial(proto.phoron_amt)) as num|null
+	if(p == null) return
+	
+	var/o = input("Enter oxygen amount (mol):","Oxygen", initial(proto.oxygen_amt)) as num|null
+	if(o == null) return
+	
+	var/c = input("Enter carbon dioxide amount (mol):","Carbon Dioxide", initial(proto.carbon_amt)) as num|null
+	if(c == null) return
+
+	new /obj/effect/spawner/newbomb/radio/custom(get_turf(mob), p, o, c)
+
 /obj/effect/spawner/newbomb
-	name = "bomb"
+	name = "TTV bomb"
 	icon = 'icons/mob/screen1.dmi'
 	icon_state = "x"
-	var/btype = 0 // 0=radio, 1=prox, 2=time
+	
+	var/assembly_type = /obj/item/device/assembly/signaler
+	
+	//Note that the maximum amount of gas you can put in a 70L air tank at 1013.25 kPa is 16.44 mol.
+	var/phoron_amt = 10.96
+	var/oxygen_amt = 16.44
+	var/carbon_amt = 0.0
 
-	timer
-		btype = 2
+/obj/effect/spawner/newbomb/timer
+	name = "TTV bomb - timer"
+	assembly_type = /obj/item/device/assembly/timer
 
-		syndicate
+/obj/effect/spawner/newbomb/timer/syndicate
+	name = "TTV bomb - merc"
+	//High yield bombs. Yes, it is possible to make these with toxins
+	phoron_amt = 15.66
+	oxygen_amt = 24.66
 
-	proximity
-		btype = 1
+/obj/effect/spawner/newbomb/proximity
+	name = "TTV bomb - proximity"
+	assembly_type = /obj/item/device/assembly/prox_sensor
 
-	radio
-		btype = 0
-
-
-/obj/effect/spawner/newbomb/New()
+/obj/effect/spawner/newbomb/radio/custom/New(var/newloc, ph, ox, co)
+	if(ph != null) phoron_amt = ph
+	if(ox != null) oxygen_amt = ox
+	if(co != null) carbon_amt = co
 	..()
 
+/obj/effect/spawner/newbomb/New(newloc)
+	..(newloc)
+
 	var/obj/item/device/transfer_valve/V = new(src.loc)
 	var/obj/item/weapon/tank/phoron/PT = new(V)
 	var/obj/item/weapon/tank/oxygen/OT = new(V)
@@ -137,28 +171,15 @@
 	OT.master = V
 
 	PT.air_contents.temperature = PHORON_FLASHPOINT
-	PT.air_contents.adjust_multi("phoron", 12, "carbon_dioxide", 8)
+	PT.air_contents.gas["phoron"] = phoron_amt
+	PT.air_contents.gas["carbon_dioxide"] = carbon_amt
+	PT.air_contents.update_values()
 
 	OT.air_contents.temperature = PHORON_FLASHPOINT
-	OT.air_contents.adjust_gas("oxygen", 20)
+	OT.air_contents.gas["oxygen"] = oxygen_amt
+	OT.air_contents.update_values()
 
-	var/obj/item/device/assembly/S
-
-	switch (src.btype)
-		// radio
-		if (0)
-
-			S = new/obj/item/device/assembly/signaler(V)
-
-		// proximity
-		if (1)
-
-			S = new/obj/item/device/assembly/prox_sensor(V)
-
-		// timer
-		if (2)
-
-			S = new/obj/item/device/assembly/timer(V)
+	var/obj/item/device/assembly/S = new assembly_type(V)
 
 
 	V.attached_device = S
diff --git a/code/modules/admin/verbs/mapping.dm b/code/modules/admin/verbs/mapping.dm
index bd3c4be0d9..29d2b95d88 100644
--- a/code/modules/admin/verbs/mapping.dm
+++ b/code/modules/admin/verbs/mapping.dm
@@ -162,6 +162,7 @@ var/list/debug_verbs = list (
         ,/client/proc/testZAScolors_remove
         ,/client/proc/setup_supermatter_engine
 		,/client/proc/atmos_toggle_debug
+		,/client/proc/spawn_tanktransferbomb
 	)