Having a water container on your deck is like having a small water garden on your porch or deck.
This is a great idea, and you can also create a small waterfall if you would like. You can find several varieties of plants that will grow well in these containers.
This will add a very natural appearance to your deck also. You can use things for a water container that you may just have laying around in your yard.
You can use kiddie pools, barrels, bathtubs and also horse troughs. You do need to make sure that it is a sturdy deck because water can weight around 8 pounds per gallon. You also need a sunny spot since most water plants will require full sunlight. You can also decorate your water containers with pieces of slate and stone. If you use the darker colors, it will not produce as many algae. You can start by growing your water plants in smaller pots before placing them in your water container. Once you plant your plant in the soil, you can use pea gravel to keep the soil in the pot and keep it from floating to the top. You will need to get information on how to plant your water plants because they may take different size pots. Some of them may need to be planted deeper than others. Once you get your plants potted and ready, you can start adding them to your water containers. You can also set your pots on bricks to give your plants different heights. Let you water container sit with water in it for at least 24 to 48 hours to let the chlorine evaporate. You can let your imagination go when creating a water container.
Source of Information on Deck Water Container Gardens