I just stumbled onto Peka Glade and it told me to come back after 8pm. What bottle do I need to transport the water?
You need an Ornate Floral Pitcher. [Item=Ornate Floral Pitcher]
Using an will create a Glade Potion to turn your pet Glade.
There are a few other bottles you can fill, see list at SubetaLodge. However, beware! You can feed these filled bottles to your pet for the gourmand achievement, but make sure to use the FEED option and NOT THE USE option. Using these filled bottles will turn your pet into this experiment pet:

Its a cute pet and you might want to do it on purpose, but its a terrible shock when you do it by accident!
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