diff --git a/code/game/objects/items/weapons/tanks/tank_types.dm b/code/game/objects/items/weapons/tanks/tank_types.dm
index efacad4942..08e725cb8e 100644
--- a/code/game/objects/items/weapons/tanks/tank_types.dm
+++ b/code/game/objects/items/weapons/tanks/tank_types.dm
@@ -139,7 +139,7 @@
 
 /obj/item/weapon/tank/emergency/oxygen/New()
 		..()
-		src.air_contents.adjust_gas("oxygen", (3*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C))
+		src.air_contents.adjust_gas("oxygen", (10*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C))
 
 		return
 
@@ -167,7 +167,7 @@
 
 /obj/item/weapon/tank/emergency/nitrogen/New()
 	..()
-	src.air_contents.adjust_gas("nitrogen", (3*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C))
+	src.air_contents.adjust_gas("nitrogen", (10*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C))
 
 /obj/item/weapon/tank/emergency/nitrogen/double
 	name = "double emergency nitrogen tank"
@@ -183,7 +183,7 @@
 
 /obj/item/weapon/tank/emergency/phoron/New()
 	..()
-	src.air_contents.adjust_gas("phoron", (3*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C))
+	src.air_contents.adjust_gas("phoron", (10*ONE_ATMOSPHERE)*volume/(R_IDEAL_GAS_EQUATION*T20C))
 
 /obj/item/weapon/tank/emergency/phoron/double
 	name = "double emergency phoron tank"
diff --git a/html/changelogs/Novacat-PR-5779.yml b/html/changelogs/Novacat-PR-5779.yml
new file mode 100644
index 0000000000..e4cc233b54
--- /dev/null
+++ b/html/changelogs/Novacat-PR-5779.yml
@@ -0,0 +1,36 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes: 
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#################################
+
+# Your name.  
+author: Novacat
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes: 
+  - tweak: "All emergency tanks now spawn at full capacity."