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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

  • Once upon a time all ponds were concrete. Today unless you wish to have a very large or special pond concrete is NOT the material to use. It is simpler, cheaper, better and quicker to use pre-formed ponds ideally made from fibreglass in natural rock finishes with matching waterfalls or streams. If you want a pond whose volume is larger than about 500 litres then it is best and most economical to use a black plastic liner designed specifically for pond building all about ponds and waterfalls

  • 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

  • If you pond is losing water then do a quick check by shutting down the pump. If the level stops falling then the leak is outside the pond itself. If the level continues to fall then obviously the leak is inside the pond itself. When a constant level is reached then you know the leak is at that point where the surface remains level. Leaks from concrete ponds are notoriously difficult to repair and many sealants claim to do the job. In my experience fiberglass resins with glass fiber are best suited and it is worthwhile doing complete resurfacing job. sump pumps

  • 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

  • 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

  • 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

  • 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

  • Biofilters need lots and lots of oxygen ... This might sound strange but it is true as I will explain. However before I do I would like to discuss oxygen in terms of good and effective pond keeping. You may know that trout and salmon can only breed in running water such as streams or rivers. You will also know that these particular fish make hazardous journeys up to the very top parts of river systems. The essential reason for these long perilous journeys to these headwaters are that the water is: cool, pristine, clear, fast running, shallow, full of gravel ... ie the oxygen levels are high and suitable for breeding. koi pond filters

  • 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

 

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

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