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How To Use These Links
We have extracted brief information about the page you will go to if you
click the link at the end of each paragraph.
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Algae Isnt Bad, Is It? Algae can be either beneficial or detrimental to a pond, depending on the owners viewpoint. Algae provide nutrients for newly hatched fry, and indirectly act as a color enhancer. As algae grow in a pond, a population of zooplankton will also develop, on which the fish feed. These natural live feeds help develop the intense coloration desired in most koi. Unfortunately, algae blooms prevent viewing the fish so that sick fish can go undetected for days or even weeks. pond algae and uv
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Oxygen in ponds ... On occasions fish in ponds with no fountains or waterfalls may look listless in winter due to carbon dioxide levels being excessive but the problem quickly sorts itself out when windy and bright weather returns. In summer water can hold much less oxygen and the animal and plant life (algae) is also thriving due to higher temperatures along with more nutrients in the water associated with feeding fish. The living organisms are therefore emitting more carbon dioxide in a situation of potentially disastrously low oxygen levels . Fish may then die from suffocation. uv maintenance, lamp changes
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Filamentous algae and blanket weed. Attached filamentous algae can be seen growing on the rocks of a waterfall or on the sides of the pond. The growth of filamentous algae results from high levels of nutrients, carbon dioxide and the catalyst, the suns energy. Methods of controlling filamentous algae include increased shade, reducing the frequency of fish feedings, practical water changes, and the use of chemicals or plecostomus (algae-eating fish) during the summer months. High pH levels suit algae growth of this kind. This is one reason chalk stream or spring creeks tend to have blanket-weed and are very clear. blanketweed in fish ponds
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Oxygen in ponds ... Aeration of ponds ... Aeration of pond water achieves two things both of which are very good for pond water and the fish: Oxygen levels increase and carbon dioxide is "blown" out of the water and this tends to push up pH levels. Aeration also protects against those algae blooms and their dying - when they die they rot and release carbon dioxide by using up the oxygen resource in the water. In summary it is difficult to over-aerate a pond and aeration has all round advantages in a pond. The downside is the cost of a special aerating pump. All top koi keepers' ponds bubble with air as do their filters. filters and uv light
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Many people use salt in their ponds. I do not recommend it but the reason is to help prevent parasitic diseases that lead to complicated bacterial diseases. It is important not to overdose and if the intent is to remove parasites from individual fish then rather place the fish in another small temporary pond loaded with salt for a few minutes. Use about 2 lbs per 20 US gallons of pond water as a general treatment. As a short term soaking to treat individual fish use about 3 times as much salt as above. Adding pond start bacterial mixtures can do no harm especially at springtime. blanketweed in fish ponds
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Many gold fish are born black and not gold ... they seem to appear from nowhere when they are about 1 inch long. In fact they have been hiding from the larger fish. Such larger fish even koi and "harmless" goldfish would have eaten them along with many others that did not survive hatching from the ova. Because they are black they can be difficult for us to see. Gradually they start turning gold until they do become little goldfish - what a delight they are too. All your own work at that. pond pump supplies
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Pump head is measured from the pond surface - not the bottom of the pond. Most people make the mistake of measuring from the bottom of the pond and this mistake can easily lead to an over specified pump that will cost more to buy and more to run. When buying pond plants check with the retailer ... how fast they grow and how big they will become. When small, plants can be very misleading. Low cost plants tend to grow big - a very general statement of course but bear it in mind. Floating plants make excellent nutrient scavengers because they tend to be fast growing. pond pump head or pressure
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Fish ponds and winter ... Koi keepers know that fish will still come to be fed, if feeding is a routine, way past the temperature at which they are capable of digesting food. Being cold-blooded animals their systems can only summon enough reserves to digest very low protein foods between about 10C (50F) and 7C (45F). So only feed a little winter feed or maybe a wheat germ based food two or three times a week. Below that temperature, feed nothing at all. As the temperature of water in the pool drops to around 5 C (41F) the fish begin to hibernate. Arm yourself with a thermometer that will register these temperatures accurately so you wont have to guess what is going on. water gardens, pond keeping
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Any pond pump with a guarantee of less than 2 years is probably not suited to most pond environments. Short term guarantees indicate lack of product confidence in difficult environments such as ponds. For safety sake use pumps with the longest possible cable and avoid joining wires if you can. It is always best to wire a pump directly into the earth leakage system of the house rather than depend upon a plug and socket. If you do join wires outdoors use waterproof cable connectors. Most countries have strict rules governing the sale of pond pumps so check for authentication and compliance with your country's laws. pond pump curves
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Oxygen in ponds ... On occasions fish in ponds with no fountains or waterfalls may look listless in winter due to carbon dioxide levels being excessive but the problem quickly sorts itself out when windy and bright weather returns. In summer water can hold much less oxygen and the animal and plant life (algae) is also thriving due to higher temperatures along with more nutrients in the water associated with feeding fish. The living organisms are therefore emitting more carbon dioxide in a situation of potentially disastrously low oxygen levels . Fish may then die from suffocation. uv maintenance, lamp changes
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Never switch off your pond pump for more
than about 60 minutes
Make sure the delivery pipe from the
pond pump is not kinked
Must the UV be placed before the
biofilter?
A waterfall adds oxygen to a pond by
creating a large surface area
Submersible pond pumps can operate
against a closed valve
It is a good idea to pump out about 10%
of your pond water
Lighting in and around ponds creates a
brand new dimension
Sick and tired of looking at debris on
the bottom of your pond?
Do not feed more food than what you fish
can eat
Pond Links and Tips
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