Bucket of Water

 is an item used with the Agriculture skill.

Source
 can be purchased from Crafting and Farmer Merchants.  can also be obtained from water sources such as Wells and Fountains:


 * Blood Fountain
 * Carved Decoration Fountain
 * Cinereous Stone 2-Tier Outdoor Pedestal Fountain
 * Fountain
 * Frozen Fountain
 * Isabelline Stone 2-Tier Outdoor Fountain
 * Large Fountain
 * Large Spring Fountain with Floating Candles
 * Mardi Gras Fountain
 * Spooky Fountain
 * Water Well
 * Wishing Well