Potion of Water Breathing

Potions of Water Breathing are provided for the following quests:
 * No More Mushrooms!
 * Thick Hydra Scales
 * Umbrafen Eel Filets
 * Too Many Mouths to Feed
 * Natural Armor (quest)
 * Angling to Beat the Competition
 * The Terror of Marshlight Lake
 * The Biggest of Them All
 * Pursuing Terrorclaw
 * Maktu's Revenge