Foam nerfs, chem fixes, they're making me commit this quickly proper info incoming in a comment

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3153 316c924e-a436-60f5-8080-3fe189b3f50e

code/modules/chemical/Chemistry-Reagents.dm

@@ -452,7 +452,7 @@ datum
 					holder.remove_reagent(src.id, 0.1)
 				return
 
-		silicate
+/*		silicate
 			name = "Silicate"
 			id = "silicate"
 			description = "A compound that can be used to reinforce glass."
@@ -486,7 +486,7 @@ datum
 							O.icon = I
 							O:silicateIcon = I
 
-				return
+				return*/
 
 		oxygen
 			name = "Oxygen"
@@ -765,11 +765,11 @@ datum
 				..()
 				return
 
-
 			reaction_turf(var/turf/T, var/volume)
 				src = null
 				if(!istype(T, /turf/space))
 					new /obj/effect/decal/cleanable/greenglow(T)
+					return
 
 
 		ryetalyn

code/modules/chemical/Chemistry-Recipes.dm

@@ -451,7 +451,6 @@ datum
 				holder.clear_reagents()
 				return
 
-
 		metalfoam
 			name = "Metal Foam"
 			id = "metalfoam"
@@ -468,7 +467,7 @@ datum
 					M << "\red The solution spews out a metalic foam!"
 
 				var/datum/effect/effect/system/foam_spread/s = new()
-				s.set_up(created_volume/2, location, holder, 1)
+				s.set_up(created_volume, location, holder, 1)
 				s.start()
 				return
 
@@ -488,7 +487,7 @@ datum
 					M << "\red The solution spews out a metalic foam!"
 
 				var/datum/effect/effect/system/foam_spread/s = new()
-				s.set_up(created_volume/2, location, holder, 2)
+				s.set_up(created_volume, location, holder, 2)
 				s.start()
 				return