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How To Use These Links
We have extracted brief information about the page you will go to if you
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Fish food understanding what's important ... ALWAYS, ALWAYS look at the analysis of the koi food you buy. The ash, fibre and moisture percentages are worth absolutely nothing. So the higher these percentages the more the money is being wasted. If a 5 kg bag of food contains 15% ash, 10% moisture and 3% fibre then 28% of the bags contents (amounting to a whopping 1.4 kg) is a total waste of money. This means that the R200 you paid for the 5 kg bag actually resulted in your paying R144 for food (3.6 kg) and R56 for rubbish (1.4 kg). Worse still 18% of the food (ash and fibre pass through the fish) now has to be handled/removed by the filter - 900 gms of solid waste has to be removed from the pond. http://www.practical-water-gardens.com/koifood.htm pond pump selection
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A biofilter is absolutely essential if you want to keep fish in a pond. In my opinion it is cruel not to install a biofilter since without a biofilter the fish will live in a potentially highly toxic environment. A biofilter will automatically start itself up once fish are introduced into a pond. Nitrosomonas and Nitrobacter are naturally occurring and will rapidly find their own way into the filter. They then need oxygen from circulating water as well as excreted ammonia from the fish (this occurs naturally) to thrive and multiply. It will take some considerable time for the biofilter to reach maturity. pond filters
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Ponds & algae concerns ... At night, both algae and fish consume oxygen from and exhale carbon dioxide into the system. Algae compete with the fish for available oxygen in the water. A potentially serious impact of an algae bloom is the risk of an "algae crash" triggered by temperature or barometric pressure. When an algae bloom collapses, dead algae cells settle to the bottom of the pond, adding to the decomposing sediments oxygen demand. As the dead algae cells rupture, they release organic nitrogen and phosphorous back into the water, adding to the systems nutrient load. pond algae
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If you are sick and tired of looking at debris on the bottom of your pond then consider buying an electrically operated vacuum cleaner. Just make sure that it is safe for pond use. OASE make the one that is best known. The latest version is Pondovac 2. For people who do not like to get their hand too mucky when cleaning out a pond there are specially made long length gloves extending right to the shoulder. If the water is a little too cold then the fishermen amongst you could easily use those waders to enter the water if cleaning has to be done. fountain pumps
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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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Pond volume measurement ... Measure the depth using a tape or stick. Using the pond pump measure how long it takes to fill say a 5 gallons container. Now pump water out of the pond for say 5 minutes Record the depth after pumping out water The pond's volume is then calculated as follows: S = depth of pond in inches or any unit before pumping starts D = inches or any unit of water pumped out of pond when pumping stops T1 = time to fill the container T2 = time pump was run to pump out water V = volume of container ..... Volume of pond = (S x V x T2) DIVIDED BY (D x T1) waterfall pumps
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Pond and garden lighting ... A very unique and effective garden light has been newly introduced into the UK and Europe. During the day this device is a highly realistic looking rock. At night the whole rock glows with diffused light creating a magic and enchanting effect. Japanese lanterns also create magical effects. Foggers used in conjunction with lights add magical and mystical properties to pond and plants. preformed garden ponds
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Too much algae in pond .... Beware algae blooms in ponds. Let's equate this to what living organisms do in the pond. Think of the flora and fauna as exhaling carbon dioxide while inhaling oxygen during the night. From this you will agree that dawn is the critical time in a pond. Often people wake up to find dead fish and wondered what happened. Such deaths could be associated with very low oxygen levels coinciding with high carbon dioxide levels. When ponds are full of suspended algae such problems can arise. pond algae
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How to select the right pond pump .. You only need this information to select right pump ... 1. Vertical height of waterfall inlet above water surface of pond (NOT bottom of pond) ... measure this in feet 2. Width of water overflow point for waterfall ... if overflow is series of smaller overflows add all together to get width in inches. If you have no waterfall choice is easier ... Waterfall Pump Selection Table ... check where height meets width in the table. This is the flow your pump model must deliver. For a wide range of guaranteed. http://www.practical-water-gardens.com/pumpselect.htm pond filter pumps
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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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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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