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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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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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The maximum flow through a normal gravity (box type) biofilter is governed by the size of the outlet pipe from the box. Try to pump too much into the filter and you risk pumping your pond completely dry because what cannot come out of the pipe will overflow from the lid. This has happened many times. Where such a possibility exists let any overflow find its way back into the pond (eg by placing the biofilter on a slope above the pond and placing a plastic sheet between the filter and pond where possible. This will allow the water albeit maybe a bit dirty to flow back into pond ... this will save the lives of your fish. using pond filters for clean ponds
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A pond's ability to hold koi should not merely be regarded as a function of its physical ability to hold koi, (ie, like storing groceries in a cupboard). A koi pond's stocking rate is determined by the filter's ability to process and breakdown the waste that koi produce. To be more precise, we need to be sure we do not overstock our filter, rather than our pond. This does not merely focus on the biological activity of a filter, but also it's ability to remove solids at the required turnover rate. A pond's water quality management system would also need to provide sufficient aeration for a given stocking rate. http://www.practical-water-gardens.com/benoverstock.htm pond pump selection
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In winter the filter will continue to operate mechanically at all temperatures above freezing but there is little point in using the U/V unless the temperature of the water rises well past 10C (45F). If this is likely then many U/V clarifier manufacturers advise you fit new a bulb. If it freezes, drain the filter and start again in the spring as though from scratch. This means it will take about 6 weeks for the pond filter to be effective so start up early. all about pond uv and algae
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To determine an approximate average depth of your gold fish or koi pond whose depth is not constant take a stick and mark it in intervals of say 3 inches with an indelible ink pen. At 10 different places in the pond insert the stick and record the depths (10 numbers). Add the numbers together and divide by 10. Use this answer as the average depth of the pond. If your pond is of equal depth and the same cross section then you can very accurately measure the pond volume. solar pumps for ponds
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Winter water gardening ... Clear the surface. Light to the water surface is desirable in the winter months. You have probably already cut back the fleshy leafed early risers like the Marsh Marigolds (Caltha palustris), Bog Arums (Calla palustris) and the Water Forget-me-Not (Myosostis palustris), but leave the long grassy foliage to waft around in the breeze adding life to a seemingly lifeless scene. These reeds, rushes and grasses will double as cover for animals coming and going from the pool. Marsh Marigolds burst into yellow flower in early April again. waterlilies in ponds
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Oygenators, pond plants ... All plants that live happily under water can be described as oxygenators. Out of these plants there are bound to be one or two that are the best for the job we need them to do. There is no doubt they are specialised. Roots tend to be merely for anchorage and the nutrition absorption and gaseous exchange occurs on the surface of the plant directly to each cell. The plant therefore has very thin walls and thin leaves to allow this to happen. This makes the plants floppy, which in fact becomes an advantage under water as they are able to bend with the eddies in the water. Two plants that have made this a real speciality and thrive in streams are Water Crowfoot, the true Water Buttercup (Ranunculus aquatalis) and Curly Pond Weed (Potamageton crispus). all about garden pond plants
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Do not buy fish food with more than 10% ash in it unless you know why. Read the label. If no label BE CAREFUL of quality. Gold fish food or koi food bought in stick form is normally money wasted and offers no real benefit to the fish. It is the analysis of the food that is important not the physical shape. Gold fish food or koi food in stick form was developed before pellets could float - this is the reason gold fish food or koi food sticks were invented. pond pump selection
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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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Winter water gardening ... Clear the surface. Light to the water surface is desirable in the winter months. You have probably already cut back the fleshy leafed early risers like the Marsh Marigolds (Caltha palustris), Bog Arums (Calla palustris) and the Water Forget-me-Not (Myosostis palustris), but leave the long grassy foliage to waft around in the breeze adding life to a seemingly lifeless scene. These reeds, rushes and grasses will double as cover for animals coming and going from the pool. Marsh Marigolds burst into yellow flower in early April again. waterlilies in ponds
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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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