diff --git a/code/_globalvars/bitfields.dm b/code/_globalvars/bitfields.dm
index 0681351395..a1a51f8b5d 100644
--- a/code/_globalvars/bitfields.dm
+++ b/code/_globalvars/bitfields.dm
@@ -177,7 +177,7 @@ GLOBAL_LIST_INIT(bitfields, list(
 		"CAN_CARRY"	= CAN_CARRY,
 		"CAN_RESIST" = CAN_RESIST
 		),
-	"reagent_flags" = list(
+	"chemical_flags" = list(
 		"REAGENT_DEAD_PROCESS" = REAGENT_DEAD_PROCESS,
 		"REAGENT_DONOTSPLIT" = REAGENT_DONOTSPLIT,
 		"REAGENT_ONLYINVERSE" = REAGENT_ONLYINVERSE,
diff --git a/code/game/objects/items/devices/scanners.dm b/code/game/objects/items/devices/scanners.dm
index 5d4cd883f4..590cfd4d10 100644
--- a/code/game/objects/items/devices/scanners.dm
+++ b/code/game/objects/items/devices/scanners.dm
@@ -385,7 +385,7 @@ SLIME SCANNER
 			if(M.reagents.reagent_list.len)
 				var/list/datum/reagent/reagents = list()
 				for(var/datum/reagent/R in M.reagents.reagent_list)
-					if(R.reagent_flags & REAGENT_INVISIBLE)
+					if(R.chemical_flags & REAGENT_INVISIBLE)
 						continue
 					reagents += R
 
diff --git a/code/modules/food_and_drinks/recipes/drinks_recipes.dm b/code/modules/food_and_drinks/recipes/drinks_recipes.dm
index 8d63d68878..c893b5c99d 100644
--- a/code/modules/food_and_drinks/recipes/drinks_recipes.dm
+++ b/code/modules/food_and_drinks/recipes/drinks_recipes.dm
@@ -397,13 +397,16 @@
 	FermiChem 			= TRUE//If the chemical uses the Fermichem reaction mechanics
 	FermiExplode 		= FALSE //If the chemical explodes in a special way
 	PurityMin			= 0 //The minimum purity something has to be above, otherwise it explodes.
+	clear_conversion	= REACTION_CLEAR_INVERSE
 
+/*
 /datum/chemical_reaction/neurotoxin/FermiFinish(datum/reagents/holder, var/atom/my_atom)
 	var/datum/reagent/consumable/ethanol/neurotoxin/Nt = locate(/datum/reagent/consumable/ethanol/neurotoxin) in my_atom.reagents.reagent_list
 	var/cached_volume = Nt.volume
 	if(Nt.purity < 0.5)
 		holder.remove_reagent(src.id, cached_volume)
 		holder.add_reagent("neuroweak", cached_volume)
+*/
 
 /datum/chemical_reaction/neurotoxin/FermiExplode(datum/reagents, var/atom/my_atom, volume, temp, pH)//reduced size
 	volume = volume/10
@@ -828,10 +831,10 @@
 	id = "catnip_tea"
 	results = list("catnip_tea" = 3)
 	required_reagents = list("tea" = 5, "catnip" = 2)
-	
+
 /datum/chemical_reaction/commander_and_chief
-	name = "Commander and Chief" 
-	id = "commander_and_chief" 
-	results = list("commander_and_chief" = 50) 
+	name = "Commander and Chief"
+	id = "commander_and_chief"
+	results = list("commander_and_chief" = 50)
 	required_reagents = list("alliescocktail" = 50, "champagne" = 20, "doctorsdelight" = 10, "quintuple_sec" = 10, "screwdrivercocktail" = 10)
-	mix_message = "When your powers combine, I am Captain Pl-..."	
+	mix_message = "When your powers combine, I am Captain Pl-..."
diff --git a/code/modules/mob/living/carbon/life.dm b/code/modules/mob/living/carbon/life.dm
index 43a1b30916..36128b9c85 100644
--- a/code/modules/mob/living/carbon/life.dm
+++ b/code/modules/mob/living/carbon/life.dm
@@ -45,7 +45,7 @@
 //Procs called while dead
 /mob/living/carbon/proc/handle_death()
 	for(var/datum/reagent/R in reagents.reagent_list)
-		if(R.reagent_flags & REAGENT_DEAD_PROCESS)
+		if(R.chemical_flags & REAGENT_DEAD_PROCESS)
 			R.on_mob_dead(src)
 
 ///////////////
diff --git a/code/modules/reagents/chemistry/fermi/readme.md b/code/modules/reagents/chemistry/fermi/readme.md
index 59f0faccef..4b897b6c4b 100644
--- a/code/modules/reagents/chemistry/fermi/readme.md
+++ b/code/modules/reagents/chemistry/fermi/readme.md
@@ -2,17 +2,17 @@ How to code fermichem reactions:
 First off, probably read though the readme for standard reagent mechanisms, this builds on top of that.
 
 #bitflags
-for `datum/reagent/` you have the following options with `var/reagent_flags`:
+for `datum/reagent/` you have the following options with `var/chemical_flags`:
 
 ```
 REAGENT_DEAD_PROCESS		calls on_mob_dead() if present in a dead body
-REAGENT_DONOTSPLIT		Do not split the chem at all during processing
-REAGENT_ONLYINVERSE		Only invert chem, no splitting
-REAGENT_ONMOBMERGE		Call on_mob_life proc when reagents are merging.
-REAGENT_INVISIBLE		Doesn't appear on handheld health analyzers.
-REAGENT_FORCEONNEW		Forces a on_new() call without a data overhead
-REAGENT_SNEAKYNAME          	When inverted, the inverted chem uses the name of the original chem
-REAGENT_SPLITRETAINVOL      	Retains initial volume of chem when splitting
+REAGENT_DONOTSPLIT		    Do not split the chem at all during processing
+REAGENT_ONLYINVERSE		    Only invert chem, no splitting
+REAGENT_ONMOBMERGE		    Call on_mob_life proc when reagents are merging.
+REAGENT_INVISIBLE		    Doesn't appear on handheld health analyzers.
+REAGENT_FORCEONNEW		    Forces a on_new() call without a data overhead
+REAGENT_SNEAKYNAME          When inverted, the inverted chem uses the name of the original chem
+REAGENT_SPLITRETAINVOL      Retains initial volume of chem when splitting
 ```
 
 for `datum/chemical_reaction/` under `var/clear_conversion`
diff --git a/code/modules/reagents/chemistry/holder.dm b/code/modules/reagents/chemistry/holder.dm
index 59311a056c..367c1a1483 100644
--- a/code/modules/reagents/chemistry/holder.dm
+++ b/code/modules/reagents/chemistry/holder.dm
@@ -466,7 +466,7 @@
 
 			if (C.FermiChem == TRUE && !continue_reacting)
 				if (chem_temp > C.ExplodeTemp) //This is first to ensure explosions.
-					var/datum/chemical_reaction/fermi/Ferm = selected_reaction
+					var/datum/chemical_reaction/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)
@@ -539,7 +539,7 @@
 	return 0
 
 /datum/reagents/process()
-	var/datum/chemical_reaction/fermi/C = fermiReactID
+	var/datum/chemical_reaction/C = fermiReactID
 
 	var/list/cached_required_reagents = C.required_reagents//update reagents list
 	var/list/cached_results = C.results//resultant chemical list
@@ -571,16 +571,16 @@
 		return
 
 /datum/reagents/proc/fermiEnd()
-	var/datum/chemical_reaction/fermi/C = fermiReactID
+	var/datum/chemical_reaction/C = fermiReactID
 	STOP_PROCESSING(SSprocessing, src)
 	fermiIsReacting = FALSE
-	reactedVol = 0
-	targetVol = 0
 	//pH check, handled at the end to reduce calls.
 	if(istype(my_atom, /obj/item/reagent_containers))
 		var/obj/item/reagent_containers/RC = my_atom
 		RC.pH_check()
-	C.FermiFinish(src, my_atom)
+	C.FermiFinish(src, my_atom, reactedVol)
+	reactedVol = 0
+	targetVol = 0
 	handle_reactions()
 	update_total()
 	//Reaction sounds and words
@@ -591,7 +591,7 @@
 		to_chat(M, "<span class='notice'>[iconhtml] [C.mix_message]</span>")
 
 /datum/reagents/proc/fermiReact(selected_reaction, cached_temp, cached_pH, reactedVol, targetVol, cached_required_reagents, cached_results, multiplier)
-	var/datum/chemical_reaction/fermi/C = selected_reaction
+	var/datum/chemical_reaction/C = selected_reaction
 	var/deltaT = 0
 	var/deltapH = 0
 	var/stepChemAmmount = 0
@@ -700,7 +700,7 @@
 	return (reactedVol)
 
 //Currently calculates it irrespective of required reagents at the start
-/datum/reagents/proc/reactant_purity(var/datum/chemical_reaction/fermi/C, holder)
+/datum/reagents/proc/reactant_purity(var/datum/chemical_reaction/C, holder)
 	var/list/cached_reagents = reagent_list
 	var/i = 0
 	var/cachedPurity
@@ -710,6 +710,14 @@
 			i++
 	return cachedPurity/i
 
+/datum/reagents/proc/uncache_purity(id)
+	var/datum/reagent/R = has_reagent("[id]")
+	if(!R)
+		return
+	if(R.cached_purity == 1)
+		return
+	R.purity = R.cached_purity
+
 /datum/reagents/proc/isolate_reagent(reagent)
 	var/list/cached_reagents = reagent_list
 	for(var/_reagent in cached_reagents)
@@ -880,7 +888,7 @@
 			if(my_atom)
 				my_atom.on_reagent_change(ADD_REAGENT)
 			if(isliving(my_atom))
-				if(R.reagent_flags & REAGENT_ONMOBMERGE)//Forces on_mob_add proc when a chem is merged
+				if(R.chemical_flags & REAGENT_ONMOBMERGE)//Forces on_mob_add proc when a chem is merged
 					R.on_mob_add(my_atom, amount)
 			R.on_merge(data, amount, my_atom, other_purity)
 			if(!no_react)
@@ -899,7 +907,7 @@
 	if(data)
 		R.data = data
 		R.on_new(data)
-	if(R.reagent_flags & REAGENT_FORCEONNEW)//Allows on new without data overhead.
+	if(R.chemical_flags & REAGENT_FORCEONNEW)//Allows on new without data overhead.
 		R.on_new(pH) //Add more as desired.
 
 
diff --git a/code/modules/reagents/chemistry/reagents.dm b/code/modules/reagents/chemistry/reagents.dm
index 422bf8e4be..00bb1b7d35 100644
--- a/code/modules/reagents/chemistry/reagents.dm
+++ b/code/modules/reagents/chemistry/reagents.dm
@@ -43,7 +43,7 @@
 	var/inverse_chem_val 		= 0			// If the impurity is below 0.5, replace ALL of the chem with inverse_chemupon metabolising
 	var/inverse_chem					// What chem is metabolised when purity is below inverse_chem_val, this shouldn't be made, but if it does, well, I guess I'll know about it.
 	var/metabolizing = FALSE
-	var/reagent_flags // See fermi/readme.dm REAGENT_DEAD_PROCESS, REAGENT_DONOTSPLIT, REAGENT_ONLYINVERSE, REAGENT_ONMOBMERGE, REAGENT_INVISIBLE, REAGENT_FORCEONNEW, REAGENT_SNEAKYNAME
+	var/chemical_flags // See fermi/readme.dm REAGENT_DEAD_PROCESS, REAGENT_DONOTSPLIT, REAGENT_ONLYINVERSE, REAGENT_ONMOBMERGE, REAGENT_INVISIBLE, REAGENT_FORCEONNEW, REAGENT_SNEAKYNAME
 
 
 /datum/reagent/Destroy() // This should only be called by the holder, so it's already handled clearing its references
@@ -75,7 +75,7 @@
 
 //called when a mob processes chems when dead.
 /datum/reagent/proc/on_mob_dead(mob/living/carbon/M)
-	if(!(reagent_flags & REAGENT_DEAD_PROCESS)) //justincase
+	if(!(chemical_flags & REAGENT_DEAD_PROCESS)) //justincase
 		return
 	current_cycle++
 	if(holder)
@@ -84,33 +84,37 @@
 
 // Called when this reagent is first added to a mob
 /datum/reagent/proc/on_mob_add(mob/living/L, amount)
-	if(!(reagent_flags & REAGENT_DONOTSPLIT))
-		var/mob/living/carbon/M = L
-		if(!M)
-			return
-		if (purity == 1)
-			log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume]u of [id]")
-			return
-		if(cached_purity == 1)
-			cached_purity = purity
-		if(cached_purity < 0)
-			CRASH("Purity below 0 for chem: [id], Please let Fermis Know!")
-		else if ((inverse_chem_val > purity) && (inverse_chem))//Turns all of a added reagent into the inverse chem
-			M.reagents.remove_reagent(id, amount, FALSE)
-			M.reagents.add_reagent(inverse_chem, amount, FALSE, other_purity = 1-cached_purity)
-			log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume]u of [inverse_chem]")
-			return
-		else if (impure_chem)
-			var/impureVol = amount * (1 - purity) //turns impure ratio into impure chem
-			if(!(reagent_flags & REAGENT_SPLITRETAINVOL))
-				M.reagents.remove_reagent(id, (impureVol), FALSE)
-			M.reagents.add_reagent(impure_chem, impureVol, FALSE, other_purity = 1-cached_purity)
-			if(reagent_flags & REAGENT_SNEAKYNAME)
-				var/datum/reagent/R = M.reagents.has_reagent("[inverse_chem]")
-				R.name = name//Negative effects are hidden
+	if (purity == 1)
+		log_game("CHEM: [M] ckey: [M.key] has ingested [volume]u of [id]")
+		return
+	var/mob/living/carbon/M = L
+	if(!M)
+		return
+	if(chemical_flags & REAGENT_DONOTSPLIT)
+		return
 
-			log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume - impureVol]u of [id]")
-			log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume]u of [impure_chem]")
+	if(cached_purity == 1)
+		cached_purity = purity
+	else if(cached_purity < 0)
+		CRASH("Purity below 0 for chem: [id], Please let Fermis Know!")
+
+	if ((inverse_chem_val > purity) && (inverse_chem))//Turns all of a added reagent into the inverse chem
+		M.reagents.remove_reagent(id, amount, FALSE)
+		M.reagents.add_reagent(inverse_chem, amount, FALSE, other_purity = 1-cached_purity)
+		var/datum/reagent/R = M.reagents.has_reagent("[inverse_chem]")
+		if(R.chemical_flags & REAGENT_SNEAKYNAME)
+			R.name = name//Negative effects are hidden
+			if(R.chemical_flags & REAGENT_INVISIBLE)
+				R.chemical_flags |= (REAGENT_INVISIBLE)
+		log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume]u of [inverse_chem]")
+		return
+	else if (impure_chem)
+		var/impureVol = amount * (1 - purity) //turns impure ratio into impure chem
+		if(!(chemical_flags & REAGENT_SPLITRETAINVOL))
+			M.reagents.remove_reagent(id, (impureVol), FALSE)
+		M.reagents.add_reagent(impure_chem, impureVol, FALSE, other_purity = 1-cached_purity)
+		log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume - impureVol]u of [id]")
+		log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume]u of [impure_chem]")
 	return
 
 // Called when this reagent is removed while inside a mob
@@ -134,35 +138,36 @@
 
 // Called when two reagents of the same are mixing.
 /datum/reagent/proc/on_merge(data, amount, mob/living/carbon/M, purity)
-	if(!(reagent_flags & REAGENT_DONOTSPLIT))
-		if(!iscarbon(M))
-			return
-		if (purity == 1)
-			log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume]u of [id]")
-			return
-		if(cached_purity == 1)
-			cached_purity = purity
-		if (purity < 0)
-			CRASH("Purity below 0 for chem: [id], Please let Fermis Know!")
-		else if ((inverse_chem_val > purity) && (inverse_chem))
-			M.reagents.remove_reagent(id, amount, FALSE)
-			M.reagents.add_reagent(inverse_chem, amount, FALSE, other_purity = 1-cached_purity)
-			for(var/datum/reagent/fermi/R in M.reagents.reagent_list)
-				if(R.name == "")
-					R.name = name//Negative effects are hidden
-			log_game("FERMICHEM: [M] ckey: [M.key] has merged [volume]u of [inverse_chem]")
-			return
-		else if (impure_chem)
-			var/impureVol = amount * (1 - purity)
-			if(!(reagent_flags & REAGENT_SPLITRETAINVOL))
-				M.reagents.remove_reagent(id, impureVol, FALSE)
-			M.reagents.add_reagent(impure_chem, impureVol, FALSE, other_purity = 1-cached_purity)
-			if(reagent_flags & REAGENT_SNEAKYNAME)
-				var/datum/reagent/R = M.reagents.has_reagent("[inverse_chem]")
-				R.name = name//Negative effects are hidden
+	if (purity == 1)
+		log_game("FERMICHEM: [M] ckey: [M.key] has ingested [volume]u of [id]")
+		return
+	if(!iscarbon(M))
+		return
+	if(chemical_flags & REAGENT_DONOTSPLIT)
+		return
 
-			log_game("FERMICHEM: [M] ckey: [M.key] has merged [volume - impureVol]u of [id]")
-			log_game("FERMICHEM: [M] ckey: [M.key] has merged [volume]u of [impure_chem]")
+	if(cached_purity == 1)
+		cached_purity = purity
+	else if (purity < 0)
+		CRASH("Purity below 0 for chem: [id], Please let Fermis Know!")
+		
+	if ((inverse_chem_val > purity) && (inverse_chem)) //INVERT
+		M.reagents.remove_reagent(id, amount, FALSE)
+		M.reagents.add_reagent(inverse_chem, amount, FALSE, other_purity = 1-cached_purity)
+		var/datum/reagent/R = M.reagents.has_reagent("[inverse_chem]")
+		if(R.chemical_flags & REAGENT_SNEAKYNAME)
+			R.name = name//Negative effects are hidden
+			if(R.chemical_flags & REAGENT_INVISIBLE)
+				R.chemical_flags |= (REAGENT_INVISIBLE)
+		log_game("FERMICHEM: [M] ckey: [M.key] has merged [volume]u of [inverse_chem]")
+		return
+	else if (impure_chem) //SPLIT
+		var/impureVol = amount * (1 - purity)
+		if(!(chemical_flags & REAGENT_SPLITRETAINVOL))
+			M.reagents.remove_reagent(id, impureVol, FALSE)
+		M.reagents.add_reagent(impure_chem, impureVol, FALSE, other_purity = 1-cached_purity)
+		log_game("FERMICHEM: [M] ckey: [M.key] has merged [volume - impureVol]u of [id]")
+		log_game("FERMICHEM: [M] ckey: [M.key] has merged [volume]u of [impure_chem]")
 	return
 
 /datum/reagent/proc/on_update(atom/A)
diff --git a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
index 0ca7f48b36..3017b73b01 100644
--- a/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/alcohol_reagents.dm
@@ -1385,8 +1385,8 @@ All effects don't start immediately, but rather get worse over time; the rate is
 	glass_desc = "A drink that is guaranteed to knock you silly."
 	//SplitChem			= TRUE
 	impure_chem 			= "neuroweak"
-	inverse_chem_val 		= 0 //Clear conversion
-	inverse_chem		= "neuroweak"
+	inverse_chem_val 		= 0.5 //Clear conversion
+	inverse_chem			= "neuroweak"
 
 /datum/reagent/consumable/ethanol/neurotoxin/proc/pickt()
 	return (pick(TRAIT_PARALYSIS_L_ARM,TRAIT_PARALYSIS_R_ARM,TRAIT_PARALYSIS_R_LEG,TRAIT_PARALYSIS_L_LEG))
diff --git a/code/modules/reagents/chemistry/reagents/impure_reagents.dm b/code/modules/reagents/chemistry/reagents/impure_reagents.dm
new file mode 100644
index 0000000000..1e65599490
--- /dev/null
+++ b/code/modules/reagents/chemistry/reagents/impure_reagents.dm
@@ -0,0 +1,25 @@
+//Reagents produced by metabolising/reacting fermichems inoptimally, i.e. inverse_chems or impure_chems
+//Inverse = Splitting
+//Invert = Whole conversion
+
+/datum/reagent/impure
+    chemical_flags = REAGENT_INVISIBLE | REAGENT_SNEAKYNAME //by default, it will stay hidden on splitting, but take the name of the source on inverting
+
+
+/datum/reagent/impure/fermiTox
+	name = "FermiTox"
+	id = "fermiTox"
+	description = "You should be really careful with this...! Also, how did you get this? You shouldn't have this!"
+	data = "merge"
+	color = "FFFFFF"
+	can_synth = FALSE
+
+
+//I'm concerned this is too weak, but I also don't want deathmixes.
+//TODO: liver damage.
+/datum/reagent/impure/fermiTox/on_mob_life(mob/living/carbon/C, method)
+	if(C.dna && istype(C.dna.species, /datum/species/jelly))
+		C.adjustToxLoss(-2)
+	else
+		C.adjustToxLoss(2)
+	..()
diff --git a/code/modules/reagents/chemistry/reagents/other_reagents.dm b/code/modules/reagents/chemistry/reagents/other_reagents.dm
index 8ea8ef54a3..60620af71b 100644
--- a/code/modules/reagents/chemistry/reagents/other_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/other_reagents.dm
@@ -2003,7 +2003,7 @@
 	can_synth = FALSE
 	var/datum/dna/original_dna
 	var/reagent_ticks = 0
-	reagent_flags = REAGENT_INVISIBLE
+	chemical_flags = REAGENT_INVISIBLE
 
 /datum/reagent/changeling_string/on_mob_metabolize(mob/living/carbon/C)
 	if(C && C.dna && data["desired_dna"])
diff --git a/modular_citadel/code/modules/reagents/chemistry/reagents/MKUltra.dm b/modular_citadel/code/modules/reagents/chemistry/reagents/MKUltra.dm
index 2ebb671124..c210c87d4e 100644
--- a/modular_citadel/code/modules/reagents/chemistry/reagents/MKUltra.dm
+++ b/modular_citadel/code/modules/reagents/chemistry/reagents/MKUltra.dm
@@ -143,7 +143,7 @@ Creating a chem with a low purity will make you permanently fall in love with so
 	var/creatorName
 	var/mob/living/creator
 	pH = 10
-	reagent_flags = REAGENT_ONMOBMERGE | REAGENT_DONOTSPLIT //Procs on_mob_add when merging into a human
+	chemical_flags = REAGENT_ONMOBMERGE | REAGENT_DONOTSPLIT //Procs on_mob_add when merging into a human
 	can_synth = FALSE
 
 
@@ -156,7 +156,6 @@ Creating a chem with a low purity will make you permanently fall in love with so
 	creatorGender = "Mistress"
 	creatorName = "Fermis Yakumo"
 	purity = 1
-	reagent_flags = REAGENT_DONOTSPLIT
 
 /datum/reagent/fermi/enthrall/test/on_new()
 	id = "enthrall"
@@ -305,7 +304,7 @@ Creating a chem with a low purity will make you permanently fall in love with so
 	color = "#2C051A" // rgb: , 0, 255
 	metabolization_rate = 0.1
 	taste_description = "synthetic chocolate, a base tone of alcohol, and high notes of roses."
-	reagent_flags = REAGENT_DONOTSPLIT
+	chemical_flags = REAGENT_DONOTSPLIT
 	can_synth = FALSE
 	var/mob/living/carbon/love
 
diff --git a/modular_citadel/code/modules/reagents/chemistry/reagents/SDGF.dm b/modular_citadel/code/modules/reagents/chemistry/reagents/SDGF.dm
index 56bb9b47b0..4319b303d1 100644
--- a/modular_citadel/code/modules/reagents/chemistry/reagents/SDGF.dm
+++ b/modular_citadel/code/modules/reagents/chemistry/reagents/SDGF.dm
@@ -294,21 +294,21 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 	..()
 
 //Unobtainable, used if SDGF is impure but not too impure
-/datum/reagent/fermi/SDGFtox
+/datum/reagent/impure/SDGFtox
 	name = "synthetic-derived growth factor"
 	id = "SDGFtox"
 	description = "A chem that makes a certain chemcat angry at you if you're reading this, how did you get this???"//i.e. tell me please, figure it's a good way to get pinged for bugfixes.
 	metabolization_rate = 1
 	can_synth = FALSE
-	reagent_flags = REAGENT_INVISIBLE
+	chemical_flags = REAGENT_INVISIBLE
 
-/datum/reagent/fermi/SDGFtox/on_mob_life(mob/living/carbon/M)//Damages the taker if their purity is low. Extended use of impure chemicals will make the original die. (thus can't be spammed unless you've very good)
+/datum/reagent/impure/SDGFtox/on_mob_life(mob/living/carbon/M)//Damages the taker if their purity is low. Extended use of impure chemicals will make the original die. (thus can't be spammed unless you've very good)
 	M.blood_volume -= 10
 	M.adjustCloneLoss(2, 0)
 	..()
 
 //Fail state of SDGF
-/datum/reagent/fermi/SDZF
+/datum/reagent/impure/SDZF
 	name = "synthetic-derived growth factor"
 	id = "SDZF"
 	description = "A horribly peverse mass of Embryonic stem cells made real by the hands of a failed chemist. This message should never appear, how did you manage to get a hold of this?"
@@ -316,9 +316,9 @@ IMPORTANT FACTORS TO CONSIDER WHILE BALANCING
 	metabolization_rate = 0.5 * REAGENTS_METABOLISM
 	var/startHunger
 	can_synth = TRUE
-	reagent_flags = REAGENT_SNEAKYNAME
+	chemical_flags = REAGENT_SNEAKYNAME
 
-/datum/reagent/fermi/SDZF/on_mob_life(mob/living/carbon/M) //If you're bad at fermichem, turns your clone into a zombie instead.
+/datum/reagent/impure/SDZF/on_mob_life(mob/living/carbon/M) //If you're bad at fermichem, turns your clone into a zombie instead.
 	switch(current_cycle)//Pretends to be normal
 		if(20)
 			to_chat(M, "<span class='notice'>You feel the synethic cells rest uncomfortably within your body as they start to pulse and grow rapidly.</span>")
diff --git a/modular_citadel/code/modules/reagents/chemistry/reagents/fermi_reagents.dm b/modular_citadel/code/modules/reagents/chemistry/reagents/fermi_reagents.dm
index 4b646135e2..a21ccb34ed 100644
--- a/modular_citadel/code/modules/reagents/chemistry/reagents/fermi_reagents.dm
+++ b/modular_citadel/code/modules/reagents/chemistry/reagents/fermi_reagents.dm
@@ -9,7 +9,7 @@
 	//SplitChem = TRUE
 	impure_chem 			= "fermiTox"// What chemical is metabolised with an inpure reaction
 	inverse_chem_val 		= 0.25		// If the impurity is below 0.5, replace ALL of the chem with inverse_chemupon metabolising
-	inverse_chem		= "fermiTox"
+	inverse_chem			= "fermiTox"
 
 //This should process fermichems to find out how pure they are and what effect to do.
 /datum/reagent/fermi/on_mob_add(mob/living/carbon/M, amount)
@@ -39,7 +39,7 @@
 	taste_description = "like jerky, whiskey and an off aftertaste of a crypt."
 	metabolization_rate = 0.2
 	overdose_threshold = 25
-	reagent_flags = REAGENT_DONOTSPLIT
+	chemical_flags = REAGENT_DONOTSPLIT
 	pH = 4
 	can_synth = TRUE
 
@@ -86,7 +86,7 @@
 	metabolization_rate = 0.5 * REAGENTS_METABOLISM
 	inverse_chem_val 		= 0
 	var/obj/item/organ/tongue/nT
-	reagent_flags = REAGENT_DONOTSPLIT
+	chemical_flags = REAGENT_DONOTSPLIT
 	pH = 5
 	var/obj/item/organ/tongue/T
 	can_synth = TRUE
@@ -212,7 +212,7 @@
 	id = "nanite_b_goneTox"
 	description = "Poorly made, and shocks you!"
 	metabolization_rate = 1
-	reagent_flags = REAGENT_INVISIBLE
+	chemical_flags = REAGENT_INVISIBLE
 
 //Increases shock events.
 /datum/reagent/fermi/nanite_b_goneTox/on_mob_life(mob/living/carbon/C)//Damages the taker if their purity is low. Extended use of impure chemicals will make the original die. (thus can't be spammed unless you've very good)
@@ -278,7 +278,7 @@
 	name = "Fermis Test Reagent"
 	id = "fermiTest"
 	description = "You should be really careful with this...! Also, how did you get this?"
-	reagent_flags = REAGENT_FORCEONNEW
+	chemical_flags = REAGENT_FORCEONNEW
 	can_synth = FALSE
 
 /datum/reagent/fermi/fermiTest/on_new(datum/reagents/holder)
@@ -309,23 +309,6 @@
 		playsound(get_turf(M), 'modular_citadel/sound/voice/merowr.ogg', 50, 1)
 	holder.clear_reagents()
 
-/datum/reagent/fermi/fermiTox
-	name = "FermiTox"
-	id = "fermiTox"
-	description = "You should be really careful with this...! Also, how did you get this? You shouldn't have this!"
-	data = "merge"
-	color = "FFFFFF"
-	can_synth = FALSE
-	reagent_flags = REAGENT_INVISIBLE
-
-//I'm concerned this is too weak, but I also don't want deathmixes.
-/datum/reagent/fermi/fermiTox/on_mob_life(mob/living/carbon/C, method)
-	if(C.dna && istype(C.dna.species, /datum/species/jelly))
-		C.adjustToxLoss(-2)
-	else
-		C.adjustToxLoss(2)
-	..()
-
 /datum/reagent/fermi/acidic_buffer
 	name = "Acidic buffer"
 	id = "acidic_buffer"
diff --git a/modular_citadel/code/modules/reagents/chemistry/reagents/healing.dm b/modular_citadel/code/modules/reagents/chemistry/reagents/healing.dm
index f57c051161..1d1ef1c26d 100644
--- a/modular_citadel/code/modules/reagents/chemistry/reagents/healing.dm
+++ b/modular_citadel/code/modules/reagents/chemistry/reagents/healing.dm
@@ -73,16 +73,15 @@
 	C.adjustOxyLoss(-3)
 	..()
 
-/datum/reagent/fermi/yamerol_tox
+/datum/reagent/impure/yamerol_tox
 	name = "Yamerol"
 	id = "yamerol_tox"
 	description = "For when you've trouble speaking or breathing, just yell YAMEROL! A chem that helps soothe any congestion problems and at high concentrations restores damaged lungs and tongues!"
 	taste_description = "a weird, syrupy flavour, yamero"
 	color = "#68e83a"
 	pH = 8.6
-	reagent_flags = REAGENT_INVISIBLE
 
-/datum/reagent/fermi/yamerol_tox/on_mob_life(mob/living/carbon/C)
+/datum/reagent/impure/yamerol_tox/on_mob_life(mob/living/carbon/C)
 	var/obj/item/organ/tongue/T = C.getorganslot(ORGAN_SLOT_TONGUE)
 	var/obj/item/organ/lungs/L = C.getorganslot(ORGAN_SLOT_LUNGS)
 
diff --git a/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm b/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm
index 8f471332ad..bb81bd8a21 100644
--- a/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm
+++ b/modular_citadel/code/modules/reagents/chemistry/recipes/fermi.dm
@@ -6,7 +6,7 @@
 	return
 
 //Called when reaction STOP_PROCESSING
-/datum/chemical_reaction/proc/FermiFinish(datum/reagents/holder, var/atom/my_atom)
+/datum/chemical_reaction/proc/FermiFinish(datum/reagents/holder, var/atom/my_atom, reactVol)
 	if(clear_conversion == REACTION_CLEAR_IMPURE | REACTION_CLEAR_INVERSE)
 		for(var/id in results)
 			var/datum/reagent/R = my_atom.reagents.has_reagent("[id]")
@@ -23,6 +23,8 @@
 				var/impureVol = cached_volume * (1 - R.purity)
 				my_atom.reagents.remove_reagent(R.id, (impureVol), FALSE)
 				my_atom.reagents.add_reagent(R.impure_chem, impureVol, FALSE, other_purity = 1)
+				R.cached_purity = R.purity
+				R.purity = 1
 	return
 
 //Called when temperature is above a certain threshold, or if purity is too low.