Stops mech murder

modular_citadel/code/modules/reagents/chemistry/reagents/fermi_reagents.dm

@@ -177,6 +177,7 @@
 	taste_description = "what can only be described as licking a battery."
 	pH = 9
 	can_synth = FALSE
+	var/react_turfs = list()
 
 /datum/reagent/fermi/nanite_b_gone/on_mob_life(mob/living/carbon/C)
 	GET_COMPONENT_FROM(N, /datum/component/nanites, C)
@@ -199,11 +200,13 @@
 	N.nanite_volume += -10*cached_purity
 	..()
 
-/datum/reagent/fermi/nanite_b_gone/reaction_obj(obj/O, reac_volume)
-	O.emp_act(EMP_HEAVY)
 
 /datum/reagent/fermi/nanite_b_gone/reaction_turf(var/turf/T)
-	T.emp_act(EMP_LIGHT)
+	for(var/active_turf in react_turfs)
+		if(T == active_turf)
+			return
+	react_list += T
+	T.emp_act(EMP_HEAVY)
 
 /datum/reagent/fermi/nanite_b_goneTox
 	name = "Naninte bain"