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Testing pond water. This is straight forward and is done by using special kits. Look out for expiry dates since chemicals used for testing are sensitive to time. Do not get carried away with the test results. After all they are indications only. The good reason for testing is to check stability or consistency and not absolute values. When you see a definite change then start testing. If you do test make sure you do the tests at same time every day and record the results on a graph so you can notice any significant changes. One-off results should always be treated with great circumspection. all about ponds and waterfalls
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Spring has arrived. Pool lights which give an aura of nighttime mystery around the pond can come back out now. Check the water quality. Many serious fish keepers will do a partial water change of up to one third in order to dilute any build up of salts and chemicals they may have been adding. As the water temperature gets nearer to 10C (50 F) you can start feed the fish their normal food. A bit of live daphnia would be a special treat or chopped worms, yummy! preformed garden ponds
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How To Measure Water Garden Pond Depths and Volumes ... Pond depth is one of those factors in pond building much talked about and misunderstood especially by those people who "mix" with dedicated koi keepers. So often you must ask yourself do I want a koi pond in which I want to raise monster sized or prize winning koi or do I want a garden fish pond containing koi around which I can sit with the family and enjoy the scene. If you belong to the dedicated koi keeper class then yes depth of your pond should not be less than 4 ft and preferably 6 feet. This is quite simply to provide space to swim and exercise a mechanism which in part determines the koi's shape. http://www.practical-water-gardens.com/artponddepth.htm all about ponds and waterfalls
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Looking for a pond? If you want a stable pool environment then consider a pool with a surface area of at least 3.3 square metres or 30square feet. There may be the just the shape amongst the array of preformed pools on offer that fits your conception perfectly. On the other hand, armed with your dimensions, you will possibly find that those preformed pools stacked up in racks at the garden centre that look so vast, would seem pretty insignificant in your allotted space. Estimating the size of a flexible liner. Add double the depth to the length and breadth of the proposed size. The minimum depth ought to be 18inches to 2ft or half a metre. Keep the shape simple blanketweed in fish ponds
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The best biofilter medium by far for conventional box-type biofilters is Alfagrog, a porous ceramic medium specially made for purifying fish ponds. Many people use plastic tubes, hair curlers, plastic coke bottle tops and the like. Be aware that these media need to be used in quite large quantities to be effective at holding sufficient bacteria to ensure clean (biologically speaking) water. You will need 40 times the volume of plastic tubes as Alfagrog to achieve the same biofilter capacity. In the USA Alfagrog is also known as Supra biomedia for pond filters
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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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Bio filter starter bacteria ... Think carefully before buying any so called bacteria starter or bio starter. In general do not add anything to a pond unless you understand why you are doing it and are sure of the benefit to be gained. If no obvious, proven, financial or fish health benefit then Do Not Add to your pond. Many commercial pond products are a total waste of money and time. It is because many people do not have biofilters that products have been "invented" to compensate for this inadequacy. Manufacturers are quick to see opportunities to add to their turnover. biomedia for pond filters
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Vegetable BioFilters ... Aquatic Plants For Gold Fish and Koi Ponds The idea of using vegetable filters (also called veggie filters is an area where plants are deliberately grown en masse) to remove algae for Nitrate control and green water control is not new by any means. It has found use in systems where people do not want or cannot afford UV systems. Concerns expressed about vegetable filters include blocking of pump impellers by stray roots and leaves. Some plants would be worse than others ... eg water hyacinth. Despite this they are excellent nitrogen removers. An ideal plant to use is Azolla also called Fairy Moss. It grows extremely quickly and is capable of removing large amounts of nitrogen and of course carbon through photosynthesis. It is also easy to remove simply by netting in the event it over-runs the filter area. http://www.pond-solutions.co.uk/pjmvegfilter.htm water gardens and pond filters
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A tip from Patricia in Ireland. She has a large pond with no fish. It had green algae problems. Patricia tried barley straw which took 6 weeks to work. Her tip is that to prevent the mess floating barley straw can make put it into old (or new for that matter) tights. Thanks Patricia. uv light specification
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I received a very interesting question this week. The question was what is difference between a biofilter and the powder she throws into her pond every week as recommended by a dealer. The powder she was referring to is called a bio-starter or bacteria starter. These powder products are offered by many companies and are probably worthless in practice. The powder is supposed to be a mixture of naturally occurring bacteria that are also found in biofilters. The types of bacteria required for effective biofiltration convert ammonia to nitrites and then to nitrates. All fish ponds need a biofilter. This is non-negotiable. pond biofilters
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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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