diff --git a/code/game/objects/structures/shower.dm b/code/game/objects/structures/shower.dm
index 2eea9f6fb07..9d4c181238f 100644
--- a/code/game/objects/structures/shower.dm
+++ b/code/game/objects/structures/shower.dm
@@ -130,7 +130,7 @@
 		wash_atom(loc)
 		for(var/am in loc)
 			var/atom/movable/movable_content = am
-			reagents.expose(movable_content, TOUCH, reaction_volume)
+			reagents.expose(movable_content, TOUCH, 5) //There's not many reagents leaving the sink at once!
 			if(!ismopable(movable_content)) // Mopables will be cleaned anyways by the turf wash above
 				wash_atom(movable_content)
 	else
diff --git a/code/modules/reagents/chemistry/reagents/other_reagents.dm b/code/modules/reagents/chemistry/reagents/other_reagents.dm
index aedde1ad3ac..f344a91f929 100644
--- a/code/modules/reagents/chemistry/reagents/other_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/other_reagents.dm
@@ -723,18 +723,13 @@
 	color = "#808080" // rgb: 128, 128, 128
 	taste_mult = 0 // oderless and tasteless
 
-/datum/reagent/oxygen/expose_obj(obj/exposed_obj, reac_volume)
-	. = ..()
-	if((!exposed_obj) || (!reac_volume))
-		return
-	var/temp = holder ? holder.chem_temp : T20C
-	exposed_obj.atmos_spawn_air("o2=[reac_volume/2];TEMP=[temp]")
 
 /datum/reagent/oxygen/expose_turf(turf/open/exposed_turf, reac_volume)
 	. = ..()
 	if(istype(exposed_turf))
 		var/temp = holder ? holder.chem_temp : T20C
-		exposed_turf.atmos_spawn_air("o2=[reac_volume/2];TEMP=[temp]")
+		exposed_turf.atmos_spawn_air("o2=[reac_volume/20];TEMP=[temp]")
+	return
 
 /datum/reagent/copper
 	name = "Copper"
@@ -760,19 +755,11 @@
 	color = "#808080" // rgb: 128, 128, 128
 	taste_mult = 0
 
-/datum/reagent/nitrogen/expose_obj(obj/exposed_obj, reac_volume)
-	. = ..()
-	if((!exposed_obj) || (!reac_volume))
-		return
-	var/temp = holder ? holder.chem_temp : T20C
-	exposed_obj.atmos_spawn_air("n2=[reac_volume/2];TEMP=[temp]")
-
 /datum/reagent/nitrogen/expose_turf(turf/open/exposed_turf, reac_volume)
-	. = ..()
 	if(istype(exposed_turf))
 		var/temp = holder ? holder.chem_temp : T20C
-		exposed_turf.atmos_spawn_air("n2=[reac_volume/2];TEMP=[temp]")
-	return
+		exposed_turf.atmos_spawn_air("n2=[reac_volume/20];TEMP=[temp]")
+	return ..()
 
 /datum/reagent/hydrogen
 	name = "Hydrogen"
@@ -1268,18 +1255,11 @@
 	color = "#B0B0B0" // rgb : 192, 192, 192
 	taste_description = "something unknowable"
 
-/datum/reagent/carbondioxide/expose_obj(obj/exposed_obj, reac_volume)
-	. = ..()
-	if((!exposed_obj) || (!reac_volume))
-		return
-	var/temp = holder ? holder.chem_temp : T20C
-	exposed_obj.atmos_spawn_air("co2=[reac_volume/5];TEMP=[temp]")
-
 /datum/reagent/carbondioxide/expose_turf(turf/open/exposed_turf, reac_volume)
-	. = ..()
 	if(istype(exposed_turf))
 		var/temp = holder ? holder.chem_temp : T20C
-		exposed_turf.atmos_spawn_air("co2=[reac_volume/5];TEMP=[temp]")
+		exposed_turf.atmos_spawn_air("co2=[reac_volume/20];TEMP=[temp]")
+	return ..()
 
 /datum/reagent/nitrous_oxide
 	name = "Nitrous Oxide"
@@ -1289,18 +1269,11 @@
 	color = "#808080"
 	taste_description = "sweetness"
 
-/datum/reagent/nitrous_oxide/expose_obj(obj/exposed_obj, reac_volume)
-	. = ..()
-	if((!exposed_obj) || (!reac_volume))
-		return
-	var/temp = holder ? holder.chem_temp : T20C
-	exposed_obj.atmos_spawn_air("n2o=[reac_volume/5];TEMP=[temp]")
-
 /datum/reagent/nitrous_oxide/expose_turf(turf/open/exposed_turf, reac_volume)
 	. = ..()
 	if(istype(exposed_turf))
 		var/temp = holder ? holder.chem_temp : T20C
-		exposed_turf.atmos_spawn_air("n2o=[reac_volume/5];TEMP=[temp]")
+		exposed_turf.atmos_spawn_air("n2o=[reac_volume/20];TEMP=[temp]")
 
 /datum/reagent/nitrous_oxide/expose_mob(mob/living/exposed_mob, methods=TOUCH, reac_volume)
 	. = ..()
diff --git a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
index 0589e2f9291..34aae23aa07 100644
--- a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
@@ -87,21 +87,13 @@
 		A.atmos_spawn_air("plasma=[volume];TEMP=[holder.chem_temp]")
 		holder.del_reagent(type)
 
-/datum/reagent/toxin/plasma/expose_obj(obj/exposed_obj, reac_volume)
-	. = ..()
-	if((!exposed_obj) || (!reac_volume))
-		return
-	var/temp = holder ? holder.chem_temp : T20C
-	if(temp >= LIQUID_PLASMA_BP)
-		exposed_obj.atmos_spawn_air("plasma=[reac_volume];TEMP=[temp]")
-
 /datum/reagent/toxin/plasma/expose_turf(turf/open/exposed_turf, reac_volume)
-	. = ..()
 	if(!istype(exposed_turf))
 		return
 	var/temp = holder ? holder.chem_temp : T20C
 	if(temp >= LIQUID_PLASMA_BP)
 		exposed_turf.atmos_spawn_air("plasma=[reac_volume];TEMP=[temp]")
+	return ..()
 
 /datum/reagent/toxin/plasma/expose_mob(mob/living/exposed_mob, methods=TOUCH, reac_volume)//Splashing people with plasma is stronger than fuel!
 	. = ..()