Re-enables fermiexplosions in grenades.

code/modules/reagents/chemistry/holder.dm

@@ -495,7 +495,12 @@
 		//Standard reaction mechanics:
 			else
 				if (C.FermiChem == TRUE)//Just to make sure
-					return 0
+					if (chem_temp > C.ExplodeTemp) //To allow fermigrenades
+						var/datum/chemical_reaction/fermi/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)
+						return 0
 
 				for(var/B in cached_required_reagents) //
 					multiplier = min(multiplier, round((get_reagent_amount(B) / cached_required_reagents[B]), 0.01))
@@ -693,7 +698,7 @@
 
 	//Make sure things are limited.
 	pH = CLAMP(pH, 0, 14)
-	
+
 	//return said amount to compare for next step.
 	return (reactedVol)