![]() If you’re in an area that gets cold, you’ll want to dig the pond several feet deep so that the animals living there can live overwinter. Since you want to facilitate the growth of wildlife, your pond should be deep enough that it won’t freeze solid over the winter.Landscape & Design Consultant Expert Interview. Sandy loam should be easy enough for you to dig out on your own. Rocky soil is going to be very hard to excavate and you may need to hire a crew to do it. For a larger pond, your soil composition will determine how hard this is. For a small size pond, digging with a shovel should be sufficient. Keep reading to learn how to choose a pump for a waterfall.Dig the pond. Biological filters take up more space but need little upkeep. Mechanical filters are still the most popular and need only regular cleaning or replacement of the filter. Water filters are not necessary for a healthy pond, but they do help keep the water clear and the pool free of debris. ![]() A pump rated at 300 gallons per hour would be adequate. For example, a pool 10 feet (120 inches) by 6 feet (72 inches) by 18 inches deep would have a volume of 155,520 cubic inches, or 673 gallons. Divide this by 231 to obtain the number of gallons. To calculate the approximate volume of your pool, multiply its length by its width by its depth (in inches). The pump should never have a rate of flow per hour greater than the capacity of the pond, but it should be able to circulate nearly half the pool's water per hour. Ask the supplier to help you choose if you have any doubts.Īlways select a pump somewhat stronger than your needs, just in case. Pumps generally come with charts detailing their capacity. For example, it requires much more power to pump a fast-moving stream of water five feet up and ten feet from the pool for an extensive waterfall than to simply filter the water in a pond. The pump should be chosen according to the quantity of water to be moved, the distance the water has to cover, and the height the water is to be pushed. There is a wide variety of pumps available for water gardens. It is also easy to make your own waterfall using a section or sections of flexible liner. They may consist of an entirely preformed section with several tiers, or they may be individual catch basins designed to be placed so that each one slightly overhangs the previous one. Prefabricated waterfall units are readily available and easily installed. The combination of rock gardens and waterfalls is a natural one since the waterfall is set off by rocks anyway and rock garden plants, generally low-growing, won't block the view of the resulting stream. Place tall plants or a fence behind the waterfall to ease this potential problem. Waterfalls can also be used in flat areas, but care should be taken that the resulting raised section doesn't stick out like a sore thumb. If your yard has a natural slope, consider installing a waterfall: It will help integrate your water garden into the rest of the landscape. ![]() When installing a fountain, make sure the height of the spray is not more than half the diameter of the pond otherwise much of the water will end up being sprayed out of the pool during windy periods. Pipe heads can also be fitted to ornamental statues, ceramic jars, or bamboo pipes. There is no lack of choices among fountains: cones, sprays, jets, bubble effects, or pretty much whatever you want. And simple underwater filter systems suit any kind of pool. Waterfalls cascading over rocks work well for irregular pools in a more natural setting. Fountains and other pool ornaments are best for formal pools. Choose the form of moving water that best corresponds to your pool.
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