Contact me on discord (JackJack33#6425) if you need to report a bug or need help with anything else regarding this script.
Here are all of the default potions.
Admins can use /viewpotions to view/get potion items
Ingredient Potions
These potions give no effects
Water + Bonemeal + Glowstone Dust → Electrolytic Solution
Water + Blaze Powder + Gunpowder → Oil of Vitriol
Water + Chorus Fruit + Redstone Dust → Volatilium
Teleportation Potions
Recall potion teleports you to your bed if you have one set. Return potion teleports you to your last death location, but can only be used once per location.
Water + Ender Pearl + Sugar → Recall Potion
Water + Ender Pearl + 3x Bone → Return Potion
Movement Potions
Each of these potions lasts 90 seconds, and will provide the player with the ability to walk on their respective liquids.
Water + Scute + 2x Lily Pad → Water Walking Potion
Water + Crying Obsidian + Fire Charge → Lava Walking Potion
Effect Potions
These potions will give an effect or multiple effects.