diff --git a/src/item/PotionType.php b/src/item/PotionType.php
index 1dab192dc..7ec0f3876 100644
--- a/src/item/PotionType.php
+++ b/src/item/PotionType.php
@@ -185,13 +185,16 @@ final class PotionType{
 				new EffectInstance(VanillaEffects::WITHER(), 800, 1)
 			]),
 			new self("turtle_master", "Turtle Master", fn() => [
-				//TODO
+				new EffectInstance(VanillaEffects::SLOWNESS(), 20 * 20, 3),
+				new EffectInstance(VanillaEffects::RESISTANCE(), 20 * 20, 2),
 			]),
 			new self("long_turtle_master", "Long Turtle Master", fn() => [
-				//TODO
+				new EffectInstance(VanillaEffects::SLOWNESS(), 40 * 20, 3),
+				new EffectInstance(VanillaEffects::RESISTANCE(), 40 * 20, 2),
 			]),
 			new self("strong_turtle_master", "Strong Turtle Master", fn() => [
-				//TODO
+				new EffectInstance(VanillaEffects::SLOWNESS(), 20 * 20, 5),
+				new EffectInstance(VanillaEffects::RESISTANCE(), 20 * 20, 3),
 			]),
 			new self("slow_falling", "Slow Falling", fn() => [
 				//TODO