diff --git a/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm b/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm
index 73663a18407..9fda26acd97 100644
--- a/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm
+++ b/_maps/RandomRuins/LavaRuins/lavaland_biodome_beach.dmm
@@ -165,7 +165,7 @@
 /area/ruin/powered/beach)
 "cP" = (
 /obj/structure/flora/ausbushes/stalkybush,
-/turf/open/water/beach,
+/turf/open/water/beach/biodome,
 /area/ruin/powered/beach)
 "cV" = (
 /obj/structure/closet/secure_closet/freezer/meat{
@@ -338,7 +338,7 @@
 "iH" = (
 /obj/structure/flora/ausbushes/stalkybush,
 /obj/structure/flora/ausbushes/sparsegrass,
-/turf/open/water/beach,
+/turf/open/water/beach/biodome,
 /area/ruin/powered/beach)
 "jc" = (
 /obj/structure/table/wood,
@@ -462,7 +462,7 @@
 /turf/open/floor/pod/light,
 /area/ruin/powered/beach)
 "pz" = (
-/turf/open/water/beach,
+/turf/open/water/beach/biodome,
 /area/ruin/powered/beach)
 "pE" = (
 /obj/machinery/atmospherics/components/unary/vent_scrubber/on/layer4,
@@ -894,7 +894,7 @@
 /area/ruin/powered/beach)
 "Eu" = (
 /obj/structure/flora/ausbushes/sparsegrass,
-/turf/open/water/beach,
+/turf/open/water/beach/biodome,
 /area/ruin/powered/beach)
 "EE" = (
 /obj/structure/dresser,
diff --git a/code/game/turfs/open/water.dm b/code/game/turfs/open/water.dm
index a1dc752abe6..6d8c1316c3f 100644
--- a/code/game/turfs/open/water.dm
+++ b/code/game/turfs/open/water.dm
@@ -19,6 +19,7 @@
 /turf/open/water/jungle
 	initial_gas_mix = OPENTURF_DEFAULT_ATMOS
 
+//This version of the beach turf uses low pressure, inherieted from above
 /turf/open/water/beach
 	gender = PLURAL
 	desc = "You get the feeling that nobody's bothered to actually make this water functional..."
@@ -27,4 +28,6 @@
 	base_icon_state = "water"
 	baseturfs = /turf/open/water/beach
 
-
+//Same turf, but instead used in the Beach Biodome
+/turf/open/water/beach/biodome
+	initial_gas_mix = OPENTURF_DEFAULT_ATMOS