diff --git a/code/_onclick/hud/alert.dm b/code/_onclick/hud/alert.dm
index 5c89153f521..cf92e5d61fe 100644
--- a/code/_onclick/hud/alert.dm
+++ b/code/_onclick/hud/alert.dm
@@ -156,7 +156,7 @@
 
 /atom/movable/screen/alert/too_much_n2o
 	name = "Choking (N2O)"
-	desc = "There's semi-toxic sleeping gas in the air and you're breathing it in. Find some fresh air. The box in your backpack has an oxygen tank and gas mask in it."
+	desc = "There's sleeping gas in the air and you're breathing it in. Find some fresh air. The box in your backpack has an oxygen tank and gas mask in it."
 	icon_state = "too_much_n2o"
 
 //End gas alerts
diff --git a/code/game/objects/items/tanks/tanks.dm b/code/game/objects/items/tanks/tanks.dm
index c929439c240..9d70490febb 100644
--- a/code/game/objects/items/tanks/tanks.dm
+++ b/code/game/objects/items/tanks/tanks.dm
@@ -224,6 +224,13 @@
 	var/tank_pressure = air_contents.return_pressure()
 	var/actual_distribute_pressure = clamp(tank_pressure, 0, distribute_pressure)
 
+	// Lets do some algebra to understand why this works, yeah?
+	// R_IDEAL_GAS_EQUATION is (kPa * L) / (K * mol) by the by, so the units in this equation look something like this
+	// kpa * L / (R_IDEAL_GAS_EQUATION * K)
+	// Or restated (kpa * L / K) * 1/R_IDEAL_GAS_EQUATION
+	// (kpa * L * K * mol) / (kpa * L * K)
+	// If we cancel it all out, we get moles, which is the expected unit
+	// This sort of thing comes up often in atmos, keep the tool in mind for other bits of code
 	var/moles_needed = actual_distribute_pressure*volume_to_return/(R_IDEAL_GAS_EQUATION*air_contents.temperature)
 
 	return remove_air(moles_needed)
diff --git a/code/modules/mob/living/carbon/life.dm b/code/modules/mob/living/carbon/life.dm
index a3949088f66..29e0f9b1dd8 100644
--- a/code/modules/mob/living/carbon/life.dm
+++ b/code/modules/mob/living/carbon/life.dm
@@ -242,21 +242,22 @@
 	if(breath_gases[/datum/gas/nitrous_oxide])
 		var/SA_partialpressure = (breath_gases[/datum/gas/nitrous_oxide][MOLES]/breath.total_moles())*breath_pressure
 		if(SA_partialpressure > SA_para_min)
+			throw_alert("too_much_n2o", /atom/movable/screen/alert/too_much_n2o)
+			SEND_SIGNAL(src, COMSIG_CLEAR_MOOD_EVENT, "chemical_euphoria")
 			Unconscious(60)
 			if(SA_partialpressure > SA_sleep_min)
 				Sleeping(max(AmountSleeping() + 40, 200))
 		else if(SA_partialpressure > 0.01)
+			clear_alert("too_much_n2o")
 			if(prob(20))
 				emote(pick("giggle","laugh"))
 			SEND_SIGNAL(src, COMSIG_ADD_MOOD_EVENT, "chemical_euphoria", /datum/mood_event/chemical_euphoria)
-		if(SA_partialpressure > safe_tox_max*3)
-			var/ratio = (breath_gases[/datum/gas/nitrous_oxide][MOLES]/safe_tox_max)
-			adjustToxLoss(clamp(ratio, MIN_TOXIC_GAS_DAMAGE, MAX_TOXIC_GAS_DAMAGE))
-			throw_alert("too_much_tox", /atom/movable/screen/alert/too_much_tox)
 		else
-			clear_alert("too_much_tox")
+			SEND_SIGNAL(src, COMSIG_CLEAR_MOOD_EVENT, "chemical_euphoria")
+			clear_alert("too_much_n2o")
 	else
 		SEND_SIGNAL(src, COMSIG_CLEAR_MOOD_EVENT, "chemical_euphoria")
+		clear_alert("too_much_n2o")
 
 	//BZ (Facepunch port of their Agent B)
 	if(breath_gases[/datum/gas/bz])
diff --git a/code/modules/surgery/organs/lungs.dm b/code/modules/surgery/organs/lungs.dm
index 6e6e24c14f4..bac226d4339 100644
--- a/code/modules/surgery/organs/lungs.dm
+++ b/code/modules/surgery/organs/lungs.dm
@@ -264,21 +264,17 @@
 
 		var/SA_pp = breath.get_breath_partial_pressure(breath_gases[/datum/gas/nitrous_oxide][MOLES])
 		if(SA_pp > SA_para_min) // Enough to make us stunned for a bit
+			H.throw_alert("too_much_n2o", /atom/movable/screen/alert/too_much_n2o)
 			H.Unconscious(60) // 60 gives them one second to wake up and run away a bit!
 			if(SA_pp > SA_sleep_min) // Enough to make us sleep as well
 				H.Sleeping(min(H.AmountSleeping() + 100, 200))
 		else if(SA_pp > 0.01)	// There is sleeping gas in their lungs, but only a little, so give them a bit of a warning
+			H.clear_alert("too_much_n2o")
 			if(prob(20))
 				n2o_euphoria = EUPHORIA_ACTIVE
 				H.emote(pick("giggle", "laugh"))
 		else
 			n2o_euphoria = EUPHORIA_INACTIVE
-
-		if(safe_toxins_max && SA_pp > safe_toxins_max*3)
-			var/ratio = (breath_gases[/datum/gas/nitrous_oxide][MOLES]/safe_toxins_max)
-			H.apply_damage_type(clamp(ratio, tox_breath_dam_min, tox_breath_dam_max), tox_damage_type)
-			H.throw_alert("too_much_n2o", /atom/movable/screen/alert/too_much_n2o)
-		else
 			H.clear_alert("too_much_n2o")