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Winter and garden ponds. Floating plants like Water Lettuce (Pistia stratiotes) and Water Hyacinth (Eichornia crassipes) must be taken indoors and kept in light frost-free shade. Water Hyacinth can be potted up into a light, merely moist compost. Water Soldier (Stratiotes aloides) will sink to the bottom before the first frosts whereas Frogbit (Hydrocharis morsus-ranae ) and Water Chestnut (Trapa natans) form nuts or buds that sink to the bottom to rise again the following year to form plantlets. Unfortunately the Frogbit will fall prey to predatory snails and the Water Chestnut is unlikely to form nuts in cold climates, so they need rescuing to a pan of muddy water in good time before the autumn party is over, so they can do their thing in the warm protective ambience of a greenhouse or light shed or attic. all about garden pond plants
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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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Plants in a pond also help to reduce nitrate levels ... the nitrate is formed naturally by he action of bacteria on the excreted waste products from the fish and other aquatic animals. Nitrates are rich in Nitrogen and there is a process of conversion from ammonia excreted by fish to nitrite then to nitrate. Always spray water onto the pond surface when filling with fresh tap water ... any chlorine in the tap water will then be reduced. pond pump supplies
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Pond fish food sticks ... Today fish food sticks are available in all flavours, colours, sizes and formulations but they suffer from a significant disadvantage ... the cost per unit of mass and especially per unit of protein is normally very significantly higher than a similarly formulated floating koi food pellet. One possible reason for this is the incremental freight component (although I doubt this very much) because the bulk density of sticks is lower than that for pellets. I suspect the real reason is that manufacturers, distributors, retailers and any other party in the chain all make higher profit margins on the back of marketing investment going back many years and which still remains today. Next time you think of buying sticks just do a quick comparison. Varying pack weights between sticks and pellets is a well known "trick" of making pricing comparisons very difficult for most busy shoppers pond pump selection
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Ponds & algae concerns ...Fish ponds without adequate plantings are most susceptible to algae bloom problems. These ponds are usually well stocked with overfed fish. The absence of aquatic plants eliminates competition with algae for available nutrients in the pond water. Practical fish stocking densities and feeding must be managed closely. UV sterilization is a proven method for controlling waterborne algae. Combining sterilization with adequate biofiltration and operating the two properly is most effective in eliminating algae blooms and maintaining clear water. filters and uv light
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UV light for green murky water control ... The most effective method of planktonic algae control is ultraviolet sterilization. The many advantages of UV sterilization make it a very attractive option for algae control. First, it is a physical treatment, so it does not change the water chemistry of the pond. Second, it is very easy to install. Third, the treatment takes place outside the pond, away from the fish and plan. Chemical treatments can be successful, but they can be expensive, temporary and potentially harmful to plants and fish ultra violet lights for pond algae
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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
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If you want to save money and reduce dramatically the risk of pond infections and fish disease do NOT use a sand filter for a pond. They are great for swimming pools, and bad for ponds. The basic reason is that many "dead-spots" are created because the water makes channels in the bed of sand. All water then flows through these channels and all the other sand becomes de-oxygenated. This situation allows anaerobic bacteria to grow (those that grow in absence of oxygen ... normal these cause bad smells). Anaerobic bacteria create pathogenic conditions in a pond. koi 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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Must the UV be placed before the biofilter? In theory it does not matter at all but in practice if you have a simple box type filter is must be before the filter. Reasons are: The UV works under small pressure - water must be forced through it while the biofilter drains under gravity. In sand filter systems (which I do NOT recommend) the UV light comes after the pond filter because the whole system is under pressure. Not applicable in many cases but you can also split the flow from your pond pump - part through UV light and part through biofilter. 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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