The importance of having adequate quantities of dissolved oxygen in the water in a fishpond has been emphasize throughout this book. There are two means of producing oxygen for this purpose. The first is by planting and the second is to expose water in thin films and spouts to the air so that the oxygen in the air can dissolve freely in the water. In Chapter waterfalls were discussed as one means pf achieving this. This chapter, however , discuss fountains, other mechanical types of oxygenated and pumps.
Fountains:
Fountains suit formal pools un which a watercourse with waterfalls would be quite inappropriate. Water plauing on the surface of the water of a pool for long periods from the jet of a fountain can be excellent oxygenate. A fountain can also make a most striking focal point in the garden. The water jest can emerge in many patterns, but apart form the decorative effect, the shapes to choose are those that divide the water into as many tiny streams as possible, so that it gets maximum exposure to the air and masses of droops fall on to the surface of water, each carrying air wit it. It is important that the jest reach the maximum height possible, so that they fall on to the waters surface with as much pressure as possible.
Never allow a fountain to play constantly on any water plants.
Low energy aerator :
A recently patented innovation for oxygenating water in a fish pool is a low energy aerator. The suppliers state that it is possible to harvest up to roo 1b (45.5kg) of trout annually from a pool that is 9-12ft (2.7-3.6m) in diameter and mot less than 12ins (30cm) in depth. It is claimed to provide a highly efficient means of oxygenation the water by allowing it to cascade out in such a manner that every droplet is full of oxygen. As a result the fish are exceptionally lively and have a very healthily appetite, which helps them to keep in good health and grow rapidly.
Pumps :
Pumps are necessary in a water garden or pool to maintain waterfalls, watercourse and fountains in operation. There are two types of pump available for water circulation : one is the submersible pump, which needs very little installation, and the other is the surface pump which needs housing outside the pool and also more elaborate plumbing. Apart from capacity , an important consideration when choosing a pump for a fish pool is whether the pump is capable of being run continuously. This is determined by the type of electric motor with which it is fitted .if it is a series-wound motor, it is only suitable for in remittent running-not exceeding six hours at a time .on the other hand, of a pump is driven by an induction-type electric motor it can be run continually.
Fountains:
Fountains suit formal pools un which a watercourse with waterfalls would be quite inappropriate. Water plauing on the surface of the water of a pool for long periods from the jet of a fountain can be excellent oxygenate. A fountain can also make a most striking focal point in the garden. The water jest can emerge in many patterns, but apart form the decorative effect, the shapes to choose are those that divide the water into as many tiny streams as possible, so that it gets maximum exposure to the air and masses of droops fall on to the surface of water, each carrying air wit it. It is important that the jest reach the maximum height possible, so that they fall on to the waters surface with as much pressure as possible.
Never allow a fountain to play constantly on any water plants.
Low energy aerator :
A recently patented innovation for oxygenating water in a fish pool is a low energy aerator. The suppliers state that it is possible to harvest up to roo 1b (45.5kg) of trout annually from a pool that is 9-12ft (2.7-3.6m) in diameter and mot less than 12ins (30cm) in depth. It is claimed to provide a highly efficient means of oxygenation the water by allowing it to cascade out in such a manner that every droplet is full of oxygen. As a result the fish are exceptionally lively and have a very healthily appetite, which helps them to keep in good health and grow rapidly.
Pumps :
Pumps are necessary in a water garden or pool to maintain waterfalls, watercourse and fountains in operation. There are two types of pump available for water circulation : one is the submersible pump, which needs very little installation, and the other is the surface pump which needs housing outside the pool and also more elaborate plumbing. Apart from capacity , an important consideration when choosing a pump for a fish pool is whether the pump is capable of being run continuously. This is determined by the type of electric motor with which it is fitted .if it is a series-wound motor, it is only suitable for in remittent running-not exceeding six hours at a time .on the other hand, of a pump is driven by an induction-type electric motor it can be run continually.
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