Player.dat format/Potion

• •  tag: The tag tag.
    •  CustomPotionEffects: The custom Potion effects this potion has.
      • One of these for each effect.
        •  Id: The ID of the effect.
        •  Amplifier: The amplifier of the effect, with 0 being level 1.
        •  Duration: The duration of the effect in ticks.
        •  Ambient: 1 or 0 (true/false) - whether or not this is an effect provided by a beacon and therefore should be less intrusive on the screen. This tag is optional and defaults to 0. Due to a bug, it has no effect on splash potions.
        •  ShowParticles: 1 or 0 (true/false) - whether or not this effect produces particles. This tag is optional and defaults to 1. Due to a bug, it has no effect on splash potions.
    •  Potion ^{(since 15w31a)}: The name of the default potion effect. This name differs from the potion effect name. For example, the value for an "Instant Health II" potion is "minecraft:strong_healing".