diff --git a/code/game/objects/items/paint.dm b/code/game/objects/items/paint.dm
index 572fb685b93a..5d64d941801e 100644
--- a/code/game/objects/items/paint.dm
+++ b/code/game/objects/items/paint.dm
@@ -15,7 +15,7 @@ GLOBAL_LIST_EMPTY(cached_icons)
 	matter = list("metal" = 200)
 	w_class = SIZE_MEDIUM
 	amount_per_transfer_from_this = 10
-	possible_transfer_amounts = list(10,20,30,50,70)
+	possible_transfer_amounts = list(5,10,15,20,30,35,40,50,60,70)
 	volume = 70
 	flags_atom = FPRINT|OPENCONTAINER
 	var/paint_type = ""
diff --git a/code/game/objects/items/reagent_containers/glass.dm b/code/game/objects/items/reagent_containers/glass.dm
index f62c2efa21d7..618d7300456e 100644
--- a/code/game/objects/items/reagent_containers/glass.dm
+++ b/code/game/objects/items/reagent_containers/glass.dm
@@ -616,7 +616,7 @@
 	matter = list("metal" = 2000)
 	w_class = SIZE_MEDIUM
 	amount_per_transfer_from_this = 20
-	possible_transfer_amounts = list(10,20,30,60,120)
+	possible_transfer_amounts = list(5,10,15,20,25,30,40,50,60,100,120)
 	volume = 120
 	flags_atom = FPRINT|OPENCONTAINER
 
@@ -685,7 +685,7 @@
 	matter = list("metal" = 4000)
 	w_class = SIZE_LARGE
 	amount_per_transfer_from_this = 20
-	possible_transfer_amounts = list(10,20,30,60,120,240)
+	possible_transfer_amounts = list(5,10,15,20,25,30,40,50,60,100,120,150,240)
 	volume = 240
 	flags_atom = FPRINT|OPENCONTAINER
 
diff --git a/code/game/objects/items/reagent_containers/glass/bottle.dm b/code/game/objects/items/reagent_containers/glass/bottle.dm
index 106c4da15196..a176b2c00e6a 100644
--- a/code/game/objects/items/reagent_containers/glass/bottle.dm
+++ b/code/game/objects/items/reagent_containers/glass/bottle.dm
@@ -7,7 +7,7 @@
 	icon_state = "bottle-1"
 	item_state = "bottle-1"
 	amount_per_transfer_from_this = 10
-	possible_transfer_amounts = list(5, 10, 15, 25, 30, 40, 60)
+	possible_transfer_amounts = list(5, 10, 15, 20, 25, 30, 40, 50, 60)
 	flags_atom = FPRINT|OPENCONTAINER
 	volume = 60
 	attack_speed = 4
diff --git a/code/game/objects/items/reagent_containers/hypospray.dm b/code/game/objects/items/reagent_containers/hypospray.dm
index 3386a3da21fc..2d3c86ee591e 100644
--- a/code/game/objects/items/reagent_containers/hypospray.dm
+++ b/code/game/objects/items/reagent_containers/hypospray.dm
@@ -14,7 +14,7 @@
 	icon_state = "hypo"
 	amount_per_transfer_from_this = 5
 	volume = 30
-	possible_transfer_amounts = list(3, 5, 10, 15, 30)
+	possible_transfer_amounts = list(1,3,5,10,15,20,25,30)
 	flags_atom = FPRINT|OPENCONTAINER
 	flags_equip_slot = SLOT_WAIST
 	flags_item = NOBLUDGEON
diff --git a/code/modules/reagents/chemistry_machinery/chem_dispenser.dm b/code/modules/reagents/chemistry_machinery/chem_dispenser.dm
index c537f6b7c613..5e41e08fd42c 100644
--- a/code/modules/reagents/chemistry_machinery/chem_dispenser.dm
+++ b/code/modules/reagents/chemistry_machinery/chem_dispenser.dm
@@ -22,7 +22,7 @@
 	var/accept_beaker_only = TRUE
 	var/obj/item/reagent_container/beaker = null
 	var/ui_check = 0
-	var/static/list/possible_transfer_amounts = list(5,10,20,30,40)
+	var/static/list/possible_transfer_amounts = list(5,10,15,20,30,40,60)
 	/// List of typepaths for reagent containers that a chem dispenser will accept; all containers allowed if empty.
 	var/list/whitelisted_containers = list()
 	var/list/dispensable_reagents = list(
diff --git a/tgui/packages/tgui/interfaces/ChemMaster.tsx b/tgui/packages/tgui/interfaces/ChemMaster.tsx
index 1e04d6daac44..70bb2ce11f04 100644
--- a/tgui/packages/tgui/interfaces/ChemMaster.tsx
+++ b/tgui/packages/tgui/interfaces/ChemMaster.tsx
@@ -250,7 +250,7 @@ export const ChemMaster = () => {
   };
 
   return (
-    <Window width={550} height={600}>
+    <Window width={600} height={600}>
       <Window.Content
         className="ChemMaster"
         onClick={() => setDeletingPreset(null)}
@@ -1598,6 +1598,8 @@ const Reagents = (props: {
               <ReagentButton amount={1} reagent={reagent} type={type} />
               <ReagentButton amount={5} reagent={reagent} type={type} />
               <ReagentButton amount={10} reagent={reagent} type={type} />
+              <ReagentButton amount={15} reagent={reagent} type={type} />
+              <ReagentButton amount={20} reagent={reagent} type={type} />
               <ReagentButton amount={30} reagent={reagent} type={type} />
               <ReagentButton amount={60} reagent={reagent} type={type} />
               <ReagentButton amount={'All'} reagent={reagent} type={type} />