diff --git a/src/player/grunk_collection_sfx/grunk_collection_sfx.gd b/src/player/grunk_collection_sfx/grunk_collection_sfx.gd
index 6014d79..b014f5a 100644
--- a/src/player/grunk_collection_sfx/grunk_collection_sfx.gd
+++ b/src/player/grunk_collection_sfx/grunk_collection_sfx.gd
@@ -9,8 +9,8 @@ extends AudioStreamPlayer
 
 @export var counter_decay := 140.0
 
-@export var base_pitch := 1.5
-@export var pitch_variance := 0.2
+@export var base_pitch_curve: Curve
+@export var pitch_variance := 0.1618
 @export var noise_rate := 1.0
 @export var noise: Noise
 
@@ -42,5 +42,6 @@ func play_random() -> void:
 	var noise_sample := clampf(
 		2 * noise.get_noise_1d(Engine.get_process_frames() * noise_rate), -1, 1
 	)
+	var base_pitch := base_pitch_curve.sample(World.instance.manager.get_tank_fill_pct())
 	pitch_scale = base_pitch + (pitch_variance * noise_sample)
 	play()
diff --git a/src/player/grunk_collection_sfx/grunk_collection_sfx.tscn b/src/player/grunk_collection_sfx/grunk_collection_sfx.tscn
index f5f38a7..5b6564f 100644
--- a/src/player/grunk_collection_sfx/grunk_collection_sfx.tscn
+++ b/src/player/grunk_collection_sfx/grunk_collection_sfx.tscn
@@ -1,8 +1,13 @@
-[gd_scene load_steps=4 format=3 uid="uid://cbtmhu787diev"]
+[gd_scene load_steps=5 format=3 uid="uid://cbtmhu787diev"]
 
 [ext_resource type="AudioStream" uid="uid://cj6rj8ujl60e3" path="res://assets/sfx/tools/collect2.wav" id="1_y7it3"]
 [ext_resource type="Script" uid="uid://dwt66u7ua1to4" path="res://src/player/grunk_collection_sfx/grunk_collection_sfx.gd" id="5_ihwko"]
 
+[sub_resource type="Curve" id="Curve_y7it3"]
+_limits = [0.0, 2.4, 0.0, 1.0]
+_data = [Vector2(0, 1), 0.0, 8.88538, 0, 0, Vector2(0.125, 1.4), 0.0, 0.0, 0, 0, Vector2(0.5, 1.4), 0.0, 0.0, 0, 0, Vector2(1, 2.4), 6.54458, 0.0, 0, 0]
+point_count = 4
+
 [sub_resource type="FastNoiseLite" id="FastNoiseLite_y7it3"]
 
 [node name="GrunkCollectionSFX" type="AudioStreamPlayer"]
@@ -11,6 +16,7 @@ volume_db = -4.0
 max_polyphony = 3
 bus = &"SFX"
 script = ExtResource("5_ihwko")
+base_pitch_curve = SubResource("Curve_y7it3")
 noise = SubResource("FastNoiseLite_y7it3")
 
 [node name="Cooldown" type="Timer" parent="."]
diff --git a/src/player/player.tscn b/src/player/player.tscn
index d4c78e8..ad7bd24 100644
--- a/src/player/player.tscn
+++ b/src/player/player.tscn
@@ -837,3 +837,4 @@ stream = ExtResource("39_gsylq")
 pitch_scale = 1.8
 
 [node name="GrunkCollectionSFX" parent="." instance=ExtResource("40_utg71")]
+interval = 160