bugfix

code/modules/pool/pool_controller.dm

@@ -178,7 +178,7 @@
 				for(var/datum/reagent/R in reagents.reagent_list)
 					if(R.reagent_state == SOLID)
 						R.reagent_state = LIQUID
-					swimee.reagents.add_reagent(R.name, 0.5) //osmosis
+					swimee.reagents.add_reagent(R.type, 0.5) //osmosis
 				reagents.reaction(swimee, VAPOR, 0.03) //3 percent
 			for(var/obj/objects in W)
 				if(W.reagents)

code/modules/pool/pool_main.dm

@@ -37,10 +37,11 @@
 	name = "water"
 	icon = 'icons/turf/pool.dmi'
 	icon_state = "bottom"
-	density = 0
-	mouse_opacity = 0
+	density = FALSE
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	layer = ABOVE_MOB_LAYER
 	anchored = TRUE
+	resistance_flags = INDESTRUCTIBLE
 
 /obj/effect/overlay/water/top
 	icon_state = "top"