Pond in a Pot Perfect for small yards and patios, container water gardens are attractive and easy to maintain. As long as you keep adding fresh water, small pots filled with water plants take care of themselves most of the time.
Create an Outdoor Water Garden Water has a calming effect, and you can set up a water garden in a few minutes. Fill a metal pail or washtub with floating candles; low-maintenance aquatic plants, such as water lettuce, or delicate glass baubles.
The instructions said, use a gal jar and a type of stand place the jar in the water on its side, let it fill with water(completely sbmerged) then tip it up slowly bottom up, and place the jar mouth into the stand, making sure to keep the mouth under water